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* CatSmile: Rinon's default expression.
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* SenpaiKohai: Ichika and Remon are always referred to as "sempai", which one would expect at a Japanese school. But things get interesting when Manami calls Remon Sempai too.
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* SenpaiKohai: Ichika and Remon are always referred to as "sempai", which one would expect at a Japanese school. But things get interesting when Manami calls Remon Sempai too.
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Senpai Kohai is the name of the trope
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* SempaiKohai: Ichika and Remon are always referred to as "sempai", which one would expect at a Japanese school. But things get interesting when Manami calls Remon Sempai too.
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* SempaiKohai: SenpaiKohai: Ichika and Remon are always referred to as "sempai", which one would expect at a Japanese school. But things get interesting when Manami calls Remon Sempai too.
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* SempaiKohai: Ichika and Remon are always referred to as "sempai", which one would expect at a Japanese school. But things get interesting when Manami calls Remon Sempai too.
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* SempaiKohai: SenpaiKohai: Ichika and Remon are always referred to as "sempai", which one would expect at a Japanese school. But things get interesting when Manami calls Remon Sempai too.
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Buxom Is Better has been renamed.
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* BuxomIsBetter: Kaito is definitely attracted to Ichika's large breasts, and most characters acknowledge them to be part of her charm. Most of the characters seem to share the assumption that bigger breasts are better—all other things being equal—but Tetsurou apparently thinks that Kanna is just as pretty with her more average chest size.
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* BuxomIsBetter: BuxomBeautyStandard: Kaito is definitely attracted to Ichika's large breasts, and most characters acknowledge them to be part of her charm. Most of the characters seem to share the assumption that bigger breasts are better—all better —all other things being equal—but equal— but Tetsurou apparently thinks that Kanna is just as pretty with her more average chest size.
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* {{Gainaxing}}: Given her relatively big bust size, you'd be silly to not expect her to bounce from time to time.
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Not considered a trope anymore as per TRS
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* TheReasonYouSuckSpeech: A [[IWantMyBelovedToBeHappy heartbroken]] Kanna gives a scathing one to Ichika in episode 9, because by this point she [[HopelessSuitor finally realizes beyond a doubt that Kaito likes Ichika]], and yet Ichika just keeps dodging the subject altogether with him. [[spoiler:A few moments later, Tetsuro tries to comfort her, which puts Mio in the same exact situation with Tetsuro, and she [[CryCute sobs quietly]] nearby.]]
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* TheReasonYouSuckSpeech: A [[IWantMyBelovedToBeHappy heartbroken]] Kanna gives a scathing one to Ichika in episode 9, because by this point she [[HopelessSuitor finally realizes beyond a doubt that Kaito likes Ichika]], and yet Ichika just keeps dodging the subject altogether with him. [[spoiler:A few moments later, Tetsuro tries to comfort her, which puts Mio in the same exact situation with Tetsuro, and she [[CryCute sobs quietly]] quietly nearby.]]
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* RapunzelHair: Her pigtails go past her back.
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None
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->Voiced by: Hideki Ogihara (Japanese), Creator/ScottGibbs (English)
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->Voiced by: Hideki Ogihara Creator/HidekiOgihara (Japanese), Creator/ScottGibbs (English)
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Meganekko has been made a fanspeak page that does not allow examples, and You Gotta Have Blue Hair has been made a redirect to Hair Colors
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* {{Meganekko}}
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* {{Meganekko}}MarkOfTheSupernatural: Ichika has crimson red hair because she's a Human Alien. Subverted as everyone thinks it's unusual. This is despite the fact that everyone has a unusual hair color, but apparently crimson red is just too weird.
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* YouGottaHaveBlueHair: Ichika has crimson red hair. Justified as she's a Human Alien. Subverted as everyone thinks it's unusual. This is despite the fact that everyone has a unusual hair color, but apparently crimson red is just too weird.
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* {{Meganekko}}
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* YouGottaHaveBlueHair: Pink hair.
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* BeautyMark: Under her left eye.
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* {{Megane}}: Kaito has the large-rimmed nerd type.
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* {{Megane}}
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* MaybeEverAfter: [[spoiler:Very strongly implied with Ichika and quite a bit with Kanna.]]
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* ZettaiRyouiki
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* SecondYearProtagonist: Who like Remon is a year ahead of the other characters.
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* FloralThemeNaming: Her name is spelled with the kanji 檸檬, which both mean "lemon (tree)".
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* LikesOlderWomen: Is into Ichika despite her being two years older than him.
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* AsleepInClass: Happens with her in episode 1.
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* {{Gainaxing}}: Given her relatively big bust size, you'd be silly to not expect her to bounce from time to time.
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* CurtainsMatchTheWindow: Hair and eyes are the same color.
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[[foldercontrol]]
!!Main Characters
[[folder:Kaito Kirishima]]
!!Kaito Kirishima
->Voiced by: Creator/NobunagaShimazaki (Japanese), Creator/BrysonBaugus (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/ano_natsu_de_matterukaito_kirishima320x480_1.jpg]]
The male protagonist is a student in his first year of high school.
----
* AffectionateNickname: Kaori calls him ''Umi-chan''.
* AlliterativeName: '''K'''aito '''K'''irishima
* AlmostKiss: [[spoiler:Kaito almost kisses Ichika before being interrupted by Kanna.]]
* AllJustADream: Subverted with Kaito's repeated imagine spots, where he thinks he's just playing out a scenario in his head but is actually saying everything out loud.
** In Episode 10, [[spoiler:he wakes up with memories of starting a relationship with Ichika. Clearly just a dream, he thinks. She tells him it was real.]]
* BuxomIsBetter: Kaito is definitely attracted to Ichika's large breasts, and most characters acknowledge them to be part of her charm. Most of the characters seem to share the assumption that bigger breasts are better—all other things being equal—but Tetsurou apparently thinks that Kanna is just as pretty with her more average chest size.
* CannotSpitItOut: Kaito seemed like he was going confess his feelings in episode 2, but Ichika stops him. Then it just gets kind of awkward as [[OneDialogueTwoConversations both are thinking different things altogether]], and attempt to clarify it later. Manami later gets a bit flustered when she realizes both of them utilizing this trope.
** [[spoiler:Averted as of episode 9, when Kaito finally confesses, and he and Ichika finally share the first kiss they're both conscious for, followed by a second after Ichika finishes listing off all the kisses Kaito hadn't been conscious for.]]
* ChildhoodFriends: With Kaori.
* ChildhoodMarriagePromise: Kaito had one with Kaori. He wasn't serious about it. [[spoiler:She was, however. Sorta. In episode 7, she confides to Ichika that she was dumped by her boyfriend and was on the trip just to get over him, and was mostly on the rebound with Kaito.]]
* DidIJustSayThatOutLoud: Kaito ends up accidentally doing this with hilarious results nearly every time he has an Imagine Spot with another character nearby, starting with the time where he really invites Ichika to stay at his house even though he thought it was only in his head.
* FirstKiss: [[spoiler:Kaito and Ichika in episode 9. Ichika counts it as her fourth as she's done mouth-to-mouth on him three times before for IntimateHealing. When he murmurs about how unromantic that is, she gives him a ShutUpKiss, which she counts as her fifth.]]
* ImagineSpot: Kaito, Ichika and Kanna get some based around the events of the previous night. Kaito lampshades this with, "Why am I having such unfortunate fantasies?"
** A reoccurring theme with Kaito. He also has a tendency to accidentally act out his side of them in real life, such as the time he prompted an "I don't swing that way" response from Tetsuro, and when he accidentally invited Ichika to live with him.
* LoveAtFirstSight: Technically Kaito only catches glimpses of Ichika at first—her hand when she saved him at the dam, and her bright red hair while she was riding on a train—but each of those moments take his breath away, and upon getting a proper look at her he hopelessly falls for her. [[spoiler:In his LoveConfession to Ichika he tells her that he probably loved her from the very beginning.]]
* MarshmallowHell: When Nanami and Kanna walk in on Ichika wearing nothing but a bath towel while she's trying to heal Kaito after he collapses in episode 1, Ichika ends up pressing Kaito's face against her breasts after her towel falls off, making it even more difficult to explain that it's NotWhatItLooksLike.
* {{Megane}}: Kaito has the large-rimmed nerd type.
* MythologyGag: Kaito mentions to Ichika that his 8mm handheld camera belonged to his late grandfather. Those familiar with ''Anime/PleaseTeacher'' can surmise that he is referring to Kei.
* OneDialogueTwoConversations: In episode 2, Kaito seems ready to say something to Ichika. However, she stops him before he can say it. Then in episode 3, they sort of realize they both had the wrong idea about the attempted conversation. Kaito thought Ichika was going to tell their friends how she rejected his attempted LoveConfession. Ichika, on the other hand, thought he figured out she was really an alien and was going to reveal it to them, and didn't want him to say anything about it, lest she gets taken away and therefore wouldn't be able to find the location she came to Earth for.
* ParentalAbandonment: Both his parents are dead.
* RelationshipUpgrade: [[spoiler:Ichika and Kaito in episode 9.]]
* SheIsNotMyGirlfriend: Both Kaito and Ichika deny this when Manami asks about it. She then [[TheTease teases]] them both a little bit about it, but gets flustered at how [[CannotSpitItOut dense both of them are about their feelings]].
* ShoutOut: Kaito and the teacher were watching ''Manga/HighschoolOfTheDead'' in the theatre.
* StrangeMindsThinkAlike: Both Kaito & Ichika use a "Boy A/Girl B" analogy to describe their problems to Tetsuro & Remon. Not long after, Tetsuro & Remon themselves both call Kanna "C".
* UnmovingPlaid: Kaito's duvet.
* WillTheyOrWontThey: [[spoiler:Kaito and Ichika very quickly become at first obvious, and then real OfficialCouole, while Mio and Tatsuro become BetaCouple. However, Ichika flies at the end of the show and despite the obvious SequelHook, the show slightly hints that Kana might still have feelings for him.]]
[[/folder]]
[[folder:Ichika Takatsugi]]
!!Ichika Takatsugi
->Voiced by: Creator/HarukaTomatsu (Japanese), Creator/ChristinaKelly (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/ano_natsu_de_matteruichika_takatsuki640x960_10.jpg]]
The female protagonist is an alien whose ship accidentally crash-lands on Earth.
----
* AlienNonInterferenceClause: [[spoiler:The reason Ichika can't stay on Earth.]]
* AlmostKiss: [[spoiler:Kaito almost kisses Ichika before being interrupted by Kanna.]]
* BewareTheNiceOnes: Rinon seems scared of Ichika after the latter accidentally drops a knife in front of it. She also later calls Rinon to help teleport her to spy on Kaito when he's hanging out with Manami, and threatens to do something if Rinon doesn't comply.
* CameFromTheSky: How she gets to Earth.
* ClingyJealousGirl: Ichika gets quite jealous when she sees Kaito with Manami, [[spoiler:Tetsuro's sister]] in episode 4. Manami decides to tease them a little bit afterwards once Ichika shows up in the apartment.
* CompulsorySchoolAge: Because the first thing a teenage Human Alien that crashes on our primitive world would do is enroll in High School. Implicitly justified by her obligation to keep an eye on Kaito while her nanotechnology is healing him.
* CordonBleughChef: Grapefruit rice or ''Chocolate Curry'', anyone?
* DatePeepers: Remon, Tetsuro, and Mio all follow Kaito and Kanna around in episode 3. Ichika follows them as well, but doesn't quite catch up to them and instead runs into Kaito later.
** Ichika does it again when Manami forces Kaito to go shopping with her in episode 4.
* DullEyesOfUnhappiness: Both Kanna and Ichika display this in episode 6 when Kaori, Kaito's childhood friend, who also claims to be his fiancee, shows up. It freaks him out when he sees their looks.
* {{Expy}}: Ichika looks very obviously like teacher-mode [[{{Anime/PleaseTeacher}} Mizuho]].
* FirstKiss: [[spoiler:Kaito and Ichika in episode 9. Ichika counts it as her fourth as she's done mouth-to-mouth on him three times before for IntimateHealing. When he murmurs about how unromantic that is, she gives him a ShutUpKiss, which she counts as her fifth.]]
* GogglesDoSomethingUnusual: Ichika's glasses serve as a hidden interface for her alien technology.
* GratuitousEnglish: Used Episode 3: "Men in Black!" and "My God!" Problems with her alien technology tends to provoke gratuitous "Engrish" exclamations from Ichika in general.
* HumanAliens: [[spoiler:Well it's from the ''Onegai'' franchise, so what were you expecting?]]
* ImagineSpot: Kaito, Ichika and Kanna get some based around the events of the previous night.
* ImplausibleHairColor: [[LampshadeHanging Lampshaded]] for Ichika; everyone stares at her strange crimson hair. Averted for everyone else, who have more subdued shades.
* IntimateHealing: When Kaito falls unconscious at the end of episode 1, Ichika cradles him in her arms and kisses him in order to control the healing nanomachines she put in his body. Just as Kaito's sister and Kanna arrive home, at which point her bath towel also happens to slip off she has to explain it's NotWhatItLooksLike.
* InUniverseNickname: Sometimes he's referred to as "The Director".
* LoveEpiphany: Ichika showed signs of it in earlier episodes, but seems to finally come to terms with it in episode 7.
* MaybeEverAfter: [[spoiler:Very strongly implied with Ichika and quite a bit with Kanna.]]
* MaleGaze: Repeatedly, mostly due to Ichika not fully grasping the concept of human modesty.
* {{Meganekko}}
* TheMenInBlack: A RunningGag is Ichika being terrified of them. [[spoiler:When they do show up, they turn out to be TheCavalry showing up at the behest of their leader: '''Remon'''.]]
* NewTransferStudent
* NiceGirl: She is kind, polite, and friendly.
* NotWhatItLooksLike: When Nanami and Kanna walk in on Ichika's IntimateHealing for an unconscious Kaito, the towel she was wearing begins to fall down. Ichika instinctly moves Kaito's head to cover it, giving off a worse impression to both girls, and causing Nanami to faint in the very next episode.
* PurelyAestheticGlasses: Ichika's glasses are actually a head-up display interface for her alien hardware.
* RaceAgainstTheClock: The group needs to find the place Ichika mentioned earlier in the series before [[spoiler:rescue comes because there's possible evidence of FirstContact and if they could find it, it could get Earth upgraded from a Class F Planet (Protected by a AlienNonInterferenceClause) and so Ichika wouldn't have to be forcibly rescued again.]]
* RelationshipUpgrade: [[spoiler:Ichika and Kaito in episode 9.]]
* ScaryShinyGlasses: Happens to Ichika when she strangles Rinon helping her follow Kaito around in episode 4, and again when Kaito finds her standing behind him while at Tetsuro's apartment with Manami later.
* SecondYearProtagonist: Who like Remon is a year ahead of the other characters.
* SempaiKohai: Ichika and Remon are always referred to as "sempai", which one would expect at a Japanese school. But things get interesting when Manami calls Remon Sempai too.
* SheIsNotMyGirlfriend: Both Kaito and Ichika deny this when Manami asks about it. She then [[TheTease teases]] them both a little bit about it, but gets flustered at how [[CannotSpitItOut dense both of them are about their feelings]].
* StrangeMindsThinkAlike: Both Kaito & Ichika use a "Boy A/Girl B" analogy to describe their problems to Tetsuro & Remon. Not long after, Tetsuro & Remon themselves both call Kanna "C".
* {{Tsundere}}: A couple of times early on.
* UndeadTaxExemption: Ichika's unique quirkiness in cooking, unfamiliarity with Japanese society/culture, and different hair color is attributed to her being a ForeignExchangeStudent. (And without documents, how did she get into school in the first place?)
* TheUnReveal: No one seems surprised at all by the fact that Ichika is an alien by the time she reveals it in episode 9.
* YouGottaHaveBlueHair: Ichika has crimson red hair. Justified as she's a Human Alien. Subverted as everyone thinks it's unusual. This is despite the fact that everyone has a unusual hair color, but apparently crimson red is just too weird.
[[/folder]]
[[folder:Kanna Tanigawa]]
!!Kanna Tanigawa
->Voiced by: Creator/KaoriIshihara (Japanese), Creator/HilaryHaag (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/148207jpg.png]]
An outgoing girl who is quick to speak her mind.
----
* BrutalHonesty: She's not afraid to speak her mind.
* CannotSpitItOut: Towards Kaito.
* ChildhoodFriends: With Tetsuro.
* ClingyJealousGirl: Especially when she hears about Ichika living with him.
* CovertPervert: Kanna gets pretty frisky whenever Remon loosens her up with Dynamite Drink, and always jumps to the most scandalous conclusion when imagining what Kaito and Ichika are doing alone together.
* DullEyesOfUnhappiness: Both Kanna and Ichika display this in episode 6 when Kaori, Kaito's childhood friend, who also claims to be his fiancee, shows up. It freaks him out when he sees their looks.
* {{Expy}}: Kanna shares a very similar attitude, hairstyle, and hair colour to [[{{Manga/RanmaOneHalf}} Akane Tendô]].
* ImagineSpot: Kaito, Ichika and Kanna get some based around the events of the previous night.
* IWantMyBelovedToBeHappy: Kanna in episode 5 seems to be heading towards this trope, [[spoiler:until Tetsuro straight up tells Kaito at the end of the episode that she likes him. Played Straight in episode 9..]] She falls into this trope again in episode 9, although she's not very happy about it. She invoked this trope's name almost word for word ''twice'' in episode 11.
* LoveAtFirstSight: Kanna became curious about Kaito even before she saw him when she heard rumors about the NewTransferStudent who had lost his parents. As soon as she watched him introduce himself for the first time and saw how he kept trying to smile even after something so painful, she started to like him.
* MaybeEverAfter: [[spoiler:Very strongly implied with Ichika and quite a bit with Kanna.]]
* MomentKiller: Kanna kills a moment between Kaito and Ichika at the end of episode 7 by showing up drunk wearing cat ears.
* TheReasonYouSuckSpeech: A [[IWantMyBelovedToBeHappy heartbroken]] Kanna gives a scathing one to Ichika in episode 9, because by this point she [[HopelessSuitor finally realizes beyond a doubt that Kaito likes Ichika]], and yet Ichika just keeps dodging the subject altogether with him. [[spoiler:A few moments later, Tetsuro tries to comfort her, which puts Mio in the same exact situation with Tetsuro, and she [[CryCute sobs quietly]] nearby.]]
* RomanticRunnerUp: Kanna towards Kaito. Made more painful by the fact that Kaito was told Kanna likes him.
* RunningGag: Whenever she wears cute clothes, Ichika wears the same kind of clothing and looks better than her.
* ShipperOnDeck: Kanna attempts to do this in episode 5 when Remon suggests that Tetsuro and Ichika be the main actors. It backfires horribly on her though, as he gets himself "killed" twice in the film (the second time claiming to be the brother of the first guy who "died"), and Kaito is forced to take part in playing the new male lead.
* {{Tsundere}}
* UnresolvedSexualTension: Kanna for Kaito.
[[/folder]]
[[folder:Tetsuro Ishigaki]]
!!Tetsuro Ishigaki
->Voiced by: Hideki Ogihara (Japanese), Creator/ScottGibbs (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/16d556b45cf5835ef534447c36cd5999.jpg]]
A close friend of Kaito.
----
* AccidentalKiss: [[spoiler:Tetsurou and Mio after being scared by Manami, causing them to fall on each other.]]
* AffectionateGestureToTheHead: Tetsuro pats Kanna's head in Episode 8 while she's talking about the festival, to which she protests, "Don't just touch a girl's hair like that!" [[spoiler:The same exchange happens again in episode 10 when he confesses to Kanna and convinces her to confess to Kaito.]]
* ChildhoodFriendRomance: Towards Kanna.
* ChildhoodFriends: With Kanna.
* CovertPervert: Kaito tells Tetsurou that it was wrong and probably illegal to persuade a teacher to tell him Ichika's measurements, but he thanks him for it anyway. He also has fantasies about suavely putting the moves on Ichika, and often can't help himself from staring at her breasts and hips.
* DatePeepers: Remon, Tetsuro, and Mio all follow Kaito and Kanna around in episode 3. Ichika follows them as well, but doesn't quite catch up to them and instead runs into Kaito later.
* DoubleStandardRapeFemaleOnMale: During the Okinawa trip, Kaori's friend Chiharu persistently tries to force herself on Tetsurou. It's Played for Laughs all through episode 6 until she learns her lesson in Episode 7, but she seems to have missed the point that it would have still been wrong of her even if he didn't have somebody else he liked.
* IWantMyBelovedToBeHappy: Tetsuro in episode 3 seems to be heading this way with Kanna, but Mio, who likes him, calls him out on it, saying messing with others love life will come back to bite him. [[spoiler:He does it anyway.]]
* LoverTugOfWar: Slight one happens to Tetsuro in episode 7.
* {{Megane}}
* NoRomanticResolution: Tetsuro still seems unattached at the end, although Mio doesn't seem to mind it. [[spoiler:Averted in a special episode, where they become a couple and go to study together in one university.]]
* RunningGag: Tetsuro always dies a few seconds after appearing on-screen in the movie they're filming. {{Lampshaded}} when Kaito asks him how many times he's died in the movie.
* SequelHook: [[spoiler:Kaito says several times that "our story is not over yet," means an open end.]]
* UnresolvedSexualTension: Tetsurou for Kanna.
[[/folder]]
[[folder:Mio Kitahara]]
!!Mio Kitahara
->Voiced by: Creator/KanaAsumi (Japanese), Creator/MaggieFlecknoe (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/ano_natsu_de_matterumio_kitahara320x480.jpg]]
A good friend of Kanna.
----
* AccidentalKiss: [[spoiler:Tetsurou and Mio after being scared by Manami, causing them to fall on each other.]]
* ClingyJealousGirl: Mio managed a MegatonPunch to knock off Chiharu who tried to force herself on Tetsuro.
* DatePeepers: Remon, Tetsuro, and Mio all follow Kaito and Kanna around in episode 3. Ichika follows them as well, but doesn't quite catch up to them and instead runs into Kaito later.
* {{Foreshadowing}}: In episode 3, a gust of wind almost blows up Mio's skirt but she catches it just in time, frantically making sure that nobody saw anything. [[spoiler:This is because she was raised as a nudist and often forgets to wear underwear]].
* GoingCommando: [[spoiler:Mostly habitually and accidentally, due to her being raised as a nudist.]]
* HandOrObjectUnderwear: Whenever we see Mio at home, she's nude with her naughty bits covered with a random stuffed animal (usually a giant panda).
* HomeNudist: Mio is often shown not wearing underwear, in a NakedApron, [[SleepsInTheNude sleeping nude]] or just naked at home while talking on the phone, usually clutching a stuffed panda that provides SceneryCensor. This turns out to be because [[spoiler:she is legitimately a nudist. This causes her some issues such as fearing rejection by Tetsurou should he find out.]]
* IWantMyBelovedToBeHappy: Similarly, Mio seemed like she was going this route [[spoiler:until Tetsuro points out that as her friends, she needs to trust them with her worries and feelings. She ''immediately'' confesses.]]
* LoveAtFirstSight: Mio fell for Tetsuro on the day that Kanna introduced them to each other in class three years ago.
* NakedApron: Mio in Episode 10. Continuing Mio's deconstruction of NudityTropes, it's not for {{Fanservice}} — it's just what [[spoiler:nudists]] wear while cooking, after all.
* RomanticRunnerUp: Mio towards Tetsuro. And Mio outright confesses to Tetsuro.
* ShamelessFanserviceGirl: Deconstructed with Mio. She's a modest ShrinkingViolet who was raised as a nudist, and tries to hide this fact from others due to her feeling that this makes her a weirdo. Some of her beliefs still leak out, however — she has a tendency to forget about panties, she can't sleep unless she's nude (even in a group), and her idea of a "modest bathing suit" is a bikini more daring than even [[MsFanservice Ichika's]] (which she hid with a hoodie). "Mio is a nudist" was a popular fan theory given how frequently she was shown casually nude at home in previous episodes, until she outright confirmed it in episode 7 in response to Tetsurou's stalker Chiharu calling her an exhibitionist.
* ShrinkingViolet: Yes, the ShamelessFanserviceGirl is also a ShrinkingViolet, leading to some very odd trope mixups.
* UnresolvedSexualTension: Mio for Tetsurou.
* ZettaiRyouiki
[[/folder]]
[[folder:Remon Yamano]]
!!Remon Yamano
->Voiced by: Creator/YukariTamura (Japanese), Creator/BrittneyKarbowski (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/ano_natsu_de_matteruremon_yamano320x480_2.jpg]]
A third-year high school student with a petite appearance and a distinctive laugh of "ufufu".
----
* CrazyPrepared: How exactly did Remon-sempai get her hands on an 8mm camera, various viewfinders or the Dynamite Drink; and how did she know she would need them anyway? Even further, how'd she guess that a van [[spoiler:that's secretly a robot]] would be useful at the very moment they needed it?
* DatePeepers: Remon, Tetsuro, and Mio all follow Kaito and Kanna around in episode 3. Ichika follows them as well, but doesn't quite catch up to them and instead runs into Kaito later.
* DeadpanSnarker: Remon oh so much. In her defense, she says just about everything deadpan, but then, every time she opens her mouth snark comes out.
* EvilLaugh: Remon's delightful "Ufufufufu..."
* {{Expy}}: Yamano Remon is very evocative of [[{{Anime/PleaseTeacher}} Ichigo Morino]], right down to her signature EvilLaugh; except without the SoapOperaDisease. Fittingly, they have [[{{Creator/YukariTamura}} the same voice]].
* GargleBlaster: Yamano's Dynamite Drink (spiked lemonade). Which is apparently sold in cans.
* GirlishPigtails: Remon had long pigtails and the most child-like body in the cast, despite having the personality of a DirtyOldMan.
* MomentKiller: Remon is a master at spoiling other people's moments. One time Kanna and Kaito are having a serious conversation, and suddenly realize that Remon is kneeling right there filming them.
* MythologyGag: Remon's school uniform is the same as the female student cast's, minus Ichigo, in Anime/PleaseTeacher. In fact, Ichigo's school uniform looks very much like the featured school's in this series ...
* PerpetualSmiler: Remon seems to wear a perpetual CheshireCatGrin.
* ProperTightsWithASkirt: Remon's appearance in her school uniform.
* RapunzelHair: Her pigtails go past her back.
* RefugeInAudacity: Remon constantly drops hints that she may be much older than she looks.
* SempaiKohai: Ichika and Remon are always referred to as "sempai", which one would expect at a Japanese school. But things get interesting when Manami calls Remon Sempai too.
* SequelHook: [[spoiler:Remon studying Rinon, who is technically a ''spaceship''.]]
* SpellMyNameWithAnS: Is it Remon or Lemon?
* StealthHiBye: Remon is a master of this. [[spoiler:Considering her status with the Men in Black, she may actually be using some sort of teleporter.]]
* TheTrickster: She proposes lewd dares in the king's game and serves alcoholic drinks.
* WiseBeyondTheirYears: [[spoiler:Of course, that's assuming she really is Yamano Remon, 17 years old and not Morino Ichigo, 30+ years old.]]
[[/folder]]
!!Others
[[folder:Rinon]]
!!Rinon
->Voiced by: Creator/RinaHidaka (Japanese), Creator/LuciChristian (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/rinon.png]]
A companion to Ichika.
----
* BlankWhiteEyes: Rinon when Ichika calls for it so she can tail Kaito and Manami.
* CatSmile: Rinon's default expression.
* HeadPet: In episode 4.
* RidiculouslyCuteCritter: Rinon fits the criteria pretty well, despite being a biological terminal for Ichika's spaceship.
* {{Teleportation}}: More like it allows Ichika to teleport.
* UndeadTaxExemption: Rinon also largely gets HandWaved as a result of this trope as well. [[spoiler:It turns out this is a result of Lemon using her Men in Black connections to help out.]]
[[/folder]]
[[folder:Nanami Kirishima]]
!!Nanami Kirishima
->Voiced by: Creator/AyaHisakawa (Japanese), Creator/OliviaSwasey (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/a05d501e70.jpg]]
Kaito's big sister.
----
* CoolBigSis: Nanami takes good care of herself and Kaito, and is willing to let Ichika stay with him while she's gone on business (though she warns him not to try any funny stuff).
* {{Meganekko}}
* ParentalAbandonment: Both her parents are dead.
* PromotionToParent: [[ParentalAbandonment After their parents died]].
* ProneToTears: PlayedForLaughs with Nanami, who starts crying TenderTears when she jumps to the conclusion that Ichika must be an orphan too. When she has to say goodbye to Kaito as she leaves on her trip, she's bawling every step of the way.
* ShipperOnDeck: She's aware that Kanna has a crush on Kaito, and tries to encourage a relationship between the two.
[[/folder]]
[[folder:Manami Ogura]]
!!Manami Ogura
->Voiced by: Creator/FuyukaOura (Japanese), Creator/ShelleyCaleneBlack (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/ecf5982772.jpg]]
Tetsuro's older sister.
----
* CoolBigSis: Tetsuro's sister Manami is a subversion, as she has a nice car and seems mature at first glance, but turns out to be rather childish and irresponsible.
* DestructiveRomance: The amount of quarreling she does with her husband ''cannot'' be healthy.
* HardDrinkingPartyGirl: A blink-and-you'll-miss-it shot in episode 6 has Manami passed out on Tetsuro's table with something like 10 empty cans of beer next to her. She's at it again at the end of episode 12.
* TheTease: Manami in episode 4 does a smirk on her face and starts teasing Kaito and especially Ichika when she realizes that Ichika showed up in the apartment and was trying to drag him out of there.
* ToiletSeatDivorce: Manami threatens to leave her husband every time she gets worked up over some laughably minor offense he committed against her, such as recording over a show she wanted to watch or beating the game she was playing first and then spoiling the ending for her. It's PlayedForLaughs.
[[/folder]]
[[folder:Kaori Kinoshita]]
!!Kaori Kinoshita
->Voiced by: Creator/AiKayano (Japanese), Creator/AllisonSumrall (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/kaori_kinoshita_000.png]]
Kaito's elementary classmate.
----
* AlliterativeName: '''K'''aori '''K'''inoshita
* ChildhoodFriendRomance: Towards Kaito.
* ChildhoodFriends: With Kaito.
* ChildhoodMarriagePromise: Kaito had one with Kaori. He wasn't serious about it. [[spoiler:She was, however. Sorta. In episode 7, she confides to Ichika that she was dumped by her boyfriend and was on the trip just to get over him, and was mostly on the rebound with Kaito.]]
* IWantMyBelovedToBeHappy: Kaori towards Kaito. [[spoiler:She tells Ichika she was on the rebound from getting dumped by another guy. But Kaori also warns Ichika that if she doesn't take him soon, she will.]]
[[/folder]]
[[folder:Chiharu Arisawa]]
!!Chiharu Arisawa
->Voiced by: Creator/YukaIguchi (Japanese), Creator/NatalieRial (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/ano_natsu_de_matteruchiharu_arisawa320x480_200x300.jpg]]
Kaori's friend.
----
* {{Wingdinglish}}: Arisawa has hearts in her eyes when trying to jump Tetsurou.
[[/folder]]
[[folder:Emika Takatsuki]]
!!Emika Takatsuki
->Voiced by: Creator/YuiHorie (Japanese), Creator/PatriciaDuran (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/11498_539854862.jpg]]
Ichika's sister.
----
* CoolBigSis: [[spoiler:Emika counts as this when she shows up in the eleventh episode, as she ends up trying to help Ichika and Kaito find a loophole in the alien's law that will allow them to remain together.]]
* TheStinger: After the credits of episode 10. [[spoiler:Ichika's sister comes to rescue her.]]
[[/folder]]
!!Main Characters
[[folder:Kaito Kirishima]]
!!Kaito Kirishima
->Voiced by: Creator/NobunagaShimazaki (Japanese), Creator/BrysonBaugus (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/ano_natsu_de_matterukaito_kirishima320x480_1.jpg]]
The male protagonist is a student in his first year of high school.
----
* AffectionateNickname: Kaori calls him ''Umi-chan''.
* AlliterativeName: '''K'''aito '''K'''irishima
* AlmostKiss: [[spoiler:Kaito almost kisses Ichika before being interrupted by Kanna.]]
* AllJustADream: Subverted with Kaito's repeated imagine spots, where he thinks he's just playing out a scenario in his head but is actually saying everything out loud.
** In Episode 10, [[spoiler:he wakes up with memories of starting a relationship with Ichika. Clearly just a dream, he thinks. She tells him it was real.]]
* BuxomIsBetter: Kaito is definitely attracted to Ichika's large breasts, and most characters acknowledge them to be part of her charm. Most of the characters seem to share the assumption that bigger breasts are better—all other things being equal—but Tetsurou apparently thinks that Kanna is just as pretty with her more average chest size.
* CannotSpitItOut: Kaito seemed like he was going confess his feelings in episode 2, but Ichika stops him. Then it just gets kind of awkward as [[OneDialogueTwoConversations both are thinking different things altogether]], and attempt to clarify it later. Manami later gets a bit flustered when she realizes both of them utilizing this trope.
** [[spoiler:Averted as of episode 9, when Kaito finally confesses, and he and Ichika finally share the first kiss they're both conscious for, followed by a second after Ichika finishes listing off all the kisses Kaito hadn't been conscious for.]]
* ChildhoodFriends: With Kaori.
* ChildhoodMarriagePromise: Kaito had one with Kaori. He wasn't serious about it. [[spoiler:She was, however. Sorta. In episode 7, she confides to Ichika that she was dumped by her boyfriend and was on the trip just to get over him, and was mostly on the rebound with Kaito.]]
* DidIJustSayThatOutLoud: Kaito ends up accidentally doing this with hilarious results nearly every time he has an Imagine Spot with another character nearby, starting with the time where he really invites Ichika to stay at his house even though he thought it was only in his head.
* FirstKiss: [[spoiler:Kaito and Ichika in episode 9. Ichika counts it as her fourth as she's done mouth-to-mouth on him three times before for IntimateHealing. When he murmurs about how unromantic that is, she gives him a ShutUpKiss, which she counts as her fifth.]]
* ImagineSpot: Kaito, Ichika and Kanna get some based around the events of the previous night. Kaito lampshades this with, "Why am I having such unfortunate fantasies?"
** A reoccurring theme with Kaito. He also has a tendency to accidentally act out his side of them in real life, such as the time he prompted an "I don't swing that way" response from Tetsuro, and when he accidentally invited Ichika to live with him.
* LoveAtFirstSight: Technically Kaito only catches glimpses of Ichika at first—her hand when she saved him at the dam, and her bright red hair while she was riding on a train—but each of those moments take his breath away, and upon getting a proper look at her he hopelessly falls for her. [[spoiler:In his LoveConfession to Ichika he tells her that he probably loved her from the very beginning.]]
* MarshmallowHell: When Nanami and Kanna walk in on Ichika wearing nothing but a bath towel while she's trying to heal Kaito after he collapses in episode 1, Ichika ends up pressing Kaito's face against her breasts after her towel falls off, making it even more difficult to explain that it's NotWhatItLooksLike.
* {{Megane}}: Kaito has the large-rimmed nerd type.
* MythologyGag: Kaito mentions to Ichika that his 8mm handheld camera belonged to his late grandfather. Those familiar with ''Anime/PleaseTeacher'' can surmise that he is referring to Kei.
* OneDialogueTwoConversations: In episode 2, Kaito seems ready to say something to Ichika. However, she stops him before he can say it. Then in episode 3, they sort of realize they both had the wrong idea about the attempted conversation. Kaito thought Ichika was going to tell their friends how she rejected his attempted LoveConfession. Ichika, on the other hand, thought he figured out she was really an alien and was going to reveal it to them, and didn't want him to say anything about it, lest she gets taken away and therefore wouldn't be able to find the location she came to Earth for.
* ParentalAbandonment: Both his parents are dead.
* RelationshipUpgrade: [[spoiler:Ichika and Kaito in episode 9.]]
* SheIsNotMyGirlfriend: Both Kaito and Ichika deny this when Manami asks about it. She then [[TheTease teases]] them both a little bit about it, but gets flustered at how [[CannotSpitItOut dense both of them are about their feelings]].
* ShoutOut: Kaito and the teacher were watching ''Manga/HighschoolOfTheDead'' in the theatre.
* StrangeMindsThinkAlike: Both Kaito & Ichika use a "Boy A/Girl B" analogy to describe their problems to Tetsuro & Remon. Not long after, Tetsuro & Remon themselves both call Kanna "C".
* UnmovingPlaid: Kaito's duvet.
* WillTheyOrWontThey: [[spoiler:Kaito and Ichika very quickly become at first obvious, and then real OfficialCouole, while Mio and Tatsuro become BetaCouple. However, Ichika flies at the end of the show and despite the obvious SequelHook, the show slightly hints that Kana might still have feelings for him.]]
[[/folder]]
[[folder:Ichika Takatsugi]]
!!Ichika Takatsugi
->Voiced by: Creator/HarukaTomatsu (Japanese), Creator/ChristinaKelly (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/ano_natsu_de_matteruichika_takatsuki640x960_10.jpg]]
The female protagonist is an alien whose ship accidentally crash-lands on Earth.
----
* AlienNonInterferenceClause: [[spoiler:The reason Ichika can't stay on Earth.]]
* AlmostKiss: [[spoiler:Kaito almost kisses Ichika before being interrupted by Kanna.]]
* BewareTheNiceOnes: Rinon seems scared of Ichika after the latter accidentally drops a knife in front of it. She also later calls Rinon to help teleport her to spy on Kaito when he's hanging out with Manami, and threatens to do something if Rinon doesn't comply.
* CameFromTheSky: How she gets to Earth.
* ClingyJealousGirl: Ichika gets quite jealous when she sees Kaito with Manami, [[spoiler:Tetsuro's sister]] in episode 4. Manami decides to tease them a little bit afterwards once Ichika shows up in the apartment.
* CompulsorySchoolAge: Because the first thing a teenage Human Alien that crashes on our primitive world would do is enroll in High School. Implicitly justified by her obligation to keep an eye on Kaito while her nanotechnology is healing him.
* CordonBleughChef: Grapefruit rice or ''Chocolate Curry'', anyone?
* DatePeepers: Remon, Tetsuro, and Mio all follow Kaito and Kanna around in episode 3. Ichika follows them as well, but doesn't quite catch up to them and instead runs into Kaito later.
** Ichika does it again when Manami forces Kaito to go shopping with her in episode 4.
* DullEyesOfUnhappiness: Both Kanna and Ichika display this in episode 6 when Kaori, Kaito's childhood friend, who also claims to be his fiancee, shows up. It freaks him out when he sees their looks.
* {{Expy}}: Ichika looks very obviously like teacher-mode [[{{Anime/PleaseTeacher}} Mizuho]].
* FirstKiss: [[spoiler:Kaito and Ichika in episode 9. Ichika counts it as her fourth as she's done mouth-to-mouth on him three times before for IntimateHealing. When he murmurs about how unromantic that is, she gives him a ShutUpKiss, which she counts as her fifth.]]
* GogglesDoSomethingUnusual: Ichika's glasses serve as a hidden interface for her alien technology.
* GratuitousEnglish: Used Episode 3: "Men in Black!" and "My God!" Problems with her alien technology tends to provoke gratuitous "Engrish" exclamations from Ichika in general.
* HumanAliens: [[spoiler:Well it's from the ''Onegai'' franchise, so what were you expecting?]]
* ImagineSpot: Kaito, Ichika and Kanna get some based around the events of the previous night.
* ImplausibleHairColor: [[LampshadeHanging Lampshaded]] for Ichika; everyone stares at her strange crimson hair. Averted for everyone else, who have more subdued shades.
* IntimateHealing: When Kaito falls unconscious at the end of episode 1, Ichika cradles him in her arms and kisses him in order to control the healing nanomachines she put in his body. Just as Kaito's sister and Kanna arrive home, at which point her bath towel also happens to slip off she has to explain it's NotWhatItLooksLike.
* InUniverseNickname: Sometimes he's referred to as "The Director".
* LoveEpiphany: Ichika showed signs of it in earlier episodes, but seems to finally come to terms with it in episode 7.
* MaybeEverAfter: [[spoiler:Very strongly implied with Ichika and quite a bit with Kanna.]]
* MaleGaze: Repeatedly, mostly due to Ichika not fully grasping the concept of human modesty.
* {{Meganekko}}
* TheMenInBlack: A RunningGag is Ichika being terrified of them. [[spoiler:When they do show up, they turn out to be TheCavalry showing up at the behest of their leader: '''Remon'''.]]
* NewTransferStudent
* NiceGirl: She is kind, polite, and friendly.
* NotWhatItLooksLike: When Nanami and Kanna walk in on Ichika's IntimateHealing for an unconscious Kaito, the towel she was wearing begins to fall down. Ichika instinctly moves Kaito's head to cover it, giving off a worse impression to both girls, and causing Nanami to faint in the very next episode.
* PurelyAestheticGlasses: Ichika's glasses are actually a head-up display interface for her alien hardware.
* RaceAgainstTheClock: The group needs to find the place Ichika mentioned earlier in the series before [[spoiler:rescue comes because there's possible evidence of FirstContact and if they could find it, it could get Earth upgraded from a Class F Planet (Protected by a AlienNonInterferenceClause) and so Ichika wouldn't have to be forcibly rescued again.]]
* RelationshipUpgrade: [[spoiler:Ichika and Kaito in episode 9.]]
* ScaryShinyGlasses: Happens to Ichika when she strangles Rinon helping her follow Kaito around in episode 4, and again when Kaito finds her standing behind him while at Tetsuro's apartment with Manami later.
* SecondYearProtagonist: Who like Remon is a year ahead of the other characters.
* SempaiKohai: Ichika and Remon are always referred to as "sempai", which one would expect at a Japanese school. But things get interesting when Manami calls Remon Sempai too.
* SheIsNotMyGirlfriend: Both Kaito and Ichika deny this when Manami asks about it. She then [[TheTease teases]] them both a little bit about it, but gets flustered at how [[CannotSpitItOut dense both of them are about their feelings]].
* StrangeMindsThinkAlike: Both Kaito & Ichika use a "Boy A/Girl B" analogy to describe their problems to Tetsuro & Remon. Not long after, Tetsuro & Remon themselves both call Kanna "C".
* {{Tsundere}}: A couple of times early on.
* UndeadTaxExemption: Ichika's unique quirkiness in cooking, unfamiliarity with Japanese society/culture, and different hair color is attributed to her being a ForeignExchangeStudent. (And without documents, how did she get into school in the first place?)
* TheUnReveal: No one seems surprised at all by the fact that Ichika is an alien by the time she reveals it in episode 9.
* YouGottaHaveBlueHair: Ichika has crimson red hair. Justified as she's a Human Alien. Subverted as everyone thinks it's unusual. This is despite the fact that everyone has a unusual hair color, but apparently crimson red is just too weird.
[[/folder]]
[[folder:Kanna Tanigawa]]
!!Kanna Tanigawa
->Voiced by: Creator/KaoriIshihara (Japanese), Creator/HilaryHaag (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/148207jpg.png]]
An outgoing girl who is quick to speak her mind.
----
* BrutalHonesty: She's not afraid to speak her mind.
* CannotSpitItOut: Towards Kaito.
* ChildhoodFriends: With Tetsuro.
* ClingyJealousGirl: Especially when she hears about Ichika living with him.
* CovertPervert: Kanna gets pretty frisky whenever Remon loosens her up with Dynamite Drink, and always jumps to the most scandalous conclusion when imagining what Kaito and Ichika are doing alone together.
* DullEyesOfUnhappiness: Both Kanna and Ichika display this in episode 6 when Kaori, Kaito's childhood friend, who also claims to be his fiancee, shows up. It freaks him out when he sees their looks.
* {{Expy}}: Kanna shares a very similar attitude, hairstyle, and hair colour to [[{{Manga/RanmaOneHalf}} Akane Tendô]].
* ImagineSpot: Kaito, Ichika and Kanna get some based around the events of the previous night.
* IWantMyBelovedToBeHappy: Kanna in episode 5 seems to be heading towards this trope, [[spoiler:until Tetsuro straight up tells Kaito at the end of the episode that she likes him. Played Straight in episode 9..]] She falls into this trope again in episode 9, although she's not very happy about it. She invoked this trope's name almost word for word ''twice'' in episode 11.
* LoveAtFirstSight: Kanna became curious about Kaito even before she saw him when she heard rumors about the NewTransferStudent who had lost his parents. As soon as she watched him introduce himself for the first time and saw how he kept trying to smile even after something so painful, she started to like him.
* MaybeEverAfter: [[spoiler:Very strongly implied with Ichika and quite a bit with Kanna.]]
* MomentKiller: Kanna kills a moment between Kaito and Ichika at the end of episode 7 by showing up drunk wearing cat ears.
* TheReasonYouSuckSpeech: A [[IWantMyBelovedToBeHappy heartbroken]] Kanna gives a scathing one to Ichika in episode 9, because by this point she [[HopelessSuitor finally realizes beyond a doubt that Kaito likes Ichika]], and yet Ichika just keeps dodging the subject altogether with him. [[spoiler:A few moments later, Tetsuro tries to comfort her, which puts Mio in the same exact situation with Tetsuro, and she [[CryCute sobs quietly]] nearby.]]
* RomanticRunnerUp: Kanna towards Kaito. Made more painful by the fact that Kaito was told Kanna likes him.
* RunningGag: Whenever she wears cute clothes, Ichika wears the same kind of clothing and looks better than her.
* ShipperOnDeck: Kanna attempts to do this in episode 5 when Remon suggests that Tetsuro and Ichika be the main actors. It backfires horribly on her though, as he gets himself "killed" twice in the film (the second time claiming to be the brother of the first guy who "died"), and Kaito is forced to take part in playing the new male lead.
* {{Tsundere}}
* UnresolvedSexualTension: Kanna for Kaito.
[[/folder]]
[[folder:Tetsuro Ishigaki]]
!!Tetsuro Ishigaki
->Voiced by: Hideki Ogihara (Japanese), Creator/ScottGibbs (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/16d556b45cf5835ef534447c36cd5999.jpg]]
A close friend of Kaito.
----
* AccidentalKiss: [[spoiler:Tetsurou and Mio after being scared by Manami, causing them to fall on each other.]]
* AffectionateGestureToTheHead: Tetsuro pats Kanna's head in Episode 8 while she's talking about the festival, to which she protests, "Don't just touch a girl's hair like that!" [[spoiler:The same exchange happens again in episode 10 when he confesses to Kanna and convinces her to confess to Kaito.]]
* ChildhoodFriendRomance: Towards Kanna.
* ChildhoodFriends: With Kanna.
* CovertPervert: Kaito tells Tetsurou that it was wrong and probably illegal to persuade a teacher to tell him Ichika's measurements, but he thanks him for it anyway. He also has fantasies about suavely putting the moves on Ichika, and often can't help himself from staring at her breasts and hips.
* DatePeepers: Remon, Tetsuro, and Mio all follow Kaito and Kanna around in episode 3. Ichika follows them as well, but doesn't quite catch up to them and instead runs into Kaito later.
* DoubleStandardRapeFemaleOnMale: During the Okinawa trip, Kaori's friend Chiharu persistently tries to force herself on Tetsurou. It's Played for Laughs all through episode 6 until she learns her lesson in Episode 7, but she seems to have missed the point that it would have still been wrong of her even if he didn't have somebody else he liked.
* IWantMyBelovedToBeHappy: Tetsuro in episode 3 seems to be heading this way with Kanna, but Mio, who likes him, calls him out on it, saying messing with others love life will come back to bite him. [[spoiler:He does it anyway.]]
* LoverTugOfWar: Slight one happens to Tetsuro in episode 7.
* {{Megane}}
* NoRomanticResolution: Tetsuro still seems unattached at the end, although Mio doesn't seem to mind it. [[spoiler:Averted in a special episode, where they become a couple and go to study together in one university.]]
* RunningGag: Tetsuro always dies a few seconds after appearing on-screen in the movie they're filming. {{Lampshaded}} when Kaito asks him how many times he's died in the movie.
* SequelHook: [[spoiler:Kaito says several times that "our story is not over yet," means an open end.]]
* UnresolvedSexualTension: Tetsurou for Kanna.
[[/folder]]
[[folder:Mio Kitahara]]
!!Mio Kitahara
->Voiced by: Creator/KanaAsumi (Japanese), Creator/MaggieFlecknoe (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/ano_natsu_de_matterumio_kitahara320x480.jpg]]
A good friend of Kanna.
----
* AccidentalKiss: [[spoiler:Tetsurou and Mio after being scared by Manami, causing them to fall on each other.]]
* ClingyJealousGirl: Mio managed a MegatonPunch to knock off Chiharu who tried to force herself on Tetsuro.
* DatePeepers: Remon, Tetsuro, and Mio all follow Kaito and Kanna around in episode 3. Ichika follows them as well, but doesn't quite catch up to them and instead runs into Kaito later.
* {{Foreshadowing}}: In episode 3, a gust of wind almost blows up Mio's skirt but she catches it just in time, frantically making sure that nobody saw anything. [[spoiler:This is because she was raised as a nudist and often forgets to wear underwear]].
* GoingCommando: [[spoiler:Mostly habitually and accidentally, due to her being raised as a nudist.]]
* HandOrObjectUnderwear: Whenever we see Mio at home, she's nude with her naughty bits covered with a random stuffed animal (usually a giant panda).
* HomeNudist: Mio is often shown not wearing underwear, in a NakedApron, [[SleepsInTheNude sleeping nude]] or just naked at home while talking on the phone, usually clutching a stuffed panda that provides SceneryCensor. This turns out to be because [[spoiler:she is legitimately a nudist. This causes her some issues such as fearing rejection by Tetsurou should he find out.]]
* IWantMyBelovedToBeHappy: Similarly, Mio seemed like she was going this route [[spoiler:until Tetsuro points out that as her friends, she needs to trust them with her worries and feelings. She ''immediately'' confesses.]]
* LoveAtFirstSight: Mio fell for Tetsuro on the day that Kanna introduced them to each other in class three years ago.
* NakedApron: Mio in Episode 10. Continuing Mio's deconstruction of NudityTropes, it's not for {{Fanservice}} — it's just what [[spoiler:nudists]] wear while cooking, after all.
* RomanticRunnerUp: Mio towards Tetsuro. And Mio outright confesses to Tetsuro.
* ShamelessFanserviceGirl: Deconstructed with Mio. She's a modest ShrinkingViolet who was raised as a nudist, and tries to hide this fact from others due to her feeling that this makes her a weirdo. Some of her beliefs still leak out, however — she has a tendency to forget about panties, she can't sleep unless she's nude (even in a group), and her idea of a "modest bathing suit" is a bikini more daring than even [[MsFanservice Ichika's]] (which she hid with a hoodie). "Mio is a nudist" was a popular fan theory given how frequently she was shown casually nude at home in previous episodes, until she outright confirmed it in episode 7 in response to Tetsurou's stalker Chiharu calling her an exhibitionist.
* ShrinkingViolet: Yes, the ShamelessFanserviceGirl is also a ShrinkingViolet, leading to some very odd trope mixups.
* UnresolvedSexualTension: Mio for Tetsurou.
* ZettaiRyouiki
[[/folder]]
[[folder:Remon Yamano]]
!!Remon Yamano
->Voiced by: Creator/YukariTamura (Japanese), Creator/BrittneyKarbowski (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/ano_natsu_de_matteruremon_yamano320x480_2.jpg]]
A third-year high school student with a petite appearance and a distinctive laugh of "ufufu".
----
* CrazyPrepared: How exactly did Remon-sempai get her hands on an 8mm camera, various viewfinders or the Dynamite Drink; and how did she know she would need them anyway? Even further, how'd she guess that a van [[spoiler:that's secretly a robot]] would be useful at the very moment they needed it?
* DatePeepers: Remon, Tetsuro, and Mio all follow Kaito and Kanna around in episode 3. Ichika follows them as well, but doesn't quite catch up to them and instead runs into Kaito later.
* DeadpanSnarker: Remon oh so much. In her defense, she says just about everything deadpan, but then, every time she opens her mouth snark comes out.
* EvilLaugh: Remon's delightful "Ufufufufu..."
* {{Expy}}: Yamano Remon is very evocative of [[{{Anime/PleaseTeacher}} Ichigo Morino]], right down to her signature EvilLaugh; except without the SoapOperaDisease. Fittingly, they have [[{{Creator/YukariTamura}} the same voice]].
* GargleBlaster: Yamano's Dynamite Drink (spiked lemonade). Which is apparently sold in cans.
* GirlishPigtails: Remon had long pigtails and the most child-like body in the cast, despite having the personality of a DirtyOldMan.
* MomentKiller: Remon is a master at spoiling other people's moments. One time Kanna and Kaito are having a serious conversation, and suddenly realize that Remon is kneeling right there filming them.
* MythologyGag: Remon's school uniform is the same as the female student cast's, minus Ichigo, in Anime/PleaseTeacher. In fact, Ichigo's school uniform looks very much like the featured school's in this series ...
* PerpetualSmiler: Remon seems to wear a perpetual CheshireCatGrin.
* ProperTightsWithASkirt: Remon's appearance in her school uniform.
* RapunzelHair: Her pigtails go past her back.
* RefugeInAudacity: Remon constantly drops hints that she may be much older than she looks.
* SempaiKohai: Ichika and Remon are always referred to as "sempai", which one would expect at a Japanese school. But things get interesting when Manami calls Remon Sempai too.
* SequelHook: [[spoiler:Remon studying Rinon, who is technically a ''spaceship''.]]
* SpellMyNameWithAnS: Is it Remon or Lemon?
* StealthHiBye: Remon is a master of this. [[spoiler:Considering her status with the Men in Black, she may actually be using some sort of teleporter.]]
* TheTrickster: She proposes lewd dares in the king's game and serves alcoholic drinks.
* WiseBeyondTheirYears: [[spoiler:Of course, that's assuming she really is Yamano Remon, 17 years old and not Morino Ichigo, 30+ years old.]]
[[/folder]]
!!Others
[[folder:Rinon]]
!!Rinon
->Voiced by: Creator/RinaHidaka (Japanese), Creator/LuciChristian (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/rinon.png]]
A companion to Ichika.
----
* BlankWhiteEyes: Rinon when Ichika calls for it so she can tail Kaito and Manami.
* CatSmile: Rinon's default expression.
* HeadPet: In episode 4.
* RidiculouslyCuteCritter: Rinon fits the criteria pretty well, despite being a biological terminal for Ichika's spaceship.
* {{Teleportation}}: More like it allows Ichika to teleport.
* UndeadTaxExemption: Rinon also largely gets HandWaved as a result of this trope as well. [[spoiler:It turns out this is a result of Lemon using her Men in Black connections to help out.]]
[[/folder]]
[[folder:Nanami Kirishima]]
!!Nanami Kirishima
->Voiced by: Creator/AyaHisakawa (Japanese), Creator/OliviaSwasey (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/a05d501e70.jpg]]
Kaito's big sister.
----
* CoolBigSis: Nanami takes good care of herself and Kaito, and is willing to let Ichika stay with him while she's gone on business (though she warns him not to try any funny stuff).
* {{Meganekko}}
* ParentalAbandonment: Both her parents are dead.
* PromotionToParent: [[ParentalAbandonment After their parents died]].
* ProneToTears: PlayedForLaughs with Nanami, who starts crying TenderTears when she jumps to the conclusion that Ichika must be an orphan too. When she has to say goodbye to Kaito as she leaves on her trip, she's bawling every step of the way.
* ShipperOnDeck: She's aware that Kanna has a crush on Kaito, and tries to encourage a relationship between the two.
[[/folder]]
[[folder:Manami Ogura]]
!!Manami Ogura
->Voiced by: Creator/FuyukaOura (Japanese), Creator/ShelleyCaleneBlack (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/ecf5982772.jpg]]
Tetsuro's older sister.
----
* CoolBigSis: Tetsuro's sister Manami is a subversion, as she has a nice car and seems mature at first glance, but turns out to be rather childish and irresponsible.
* DestructiveRomance: The amount of quarreling she does with her husband ''cannot'' be healthy.
* HardDrinkingPartyGirl: A blink-and-you'll-miss-it shot in episode 6 has Manami passed out on Tetsuro's table with something like 10 empty cans of beer next to her. She's at it again at the end of episode 12.
* TheTease: Manami in episode 4 does a smirk on her face and starts teasing Kaito and especially Ichika when she realizes that Ichika showed up in the apartment and was trying to drag him out of there.
* ToiletSeatDivorce: Manami threatens to leave her husband every time she gets worked up over some laughably minor offense he committed against her, such as recording over a show she wanted to watch or beating the game she was playing first and then spoiling the ending for her. It's PlayedForLaughs.
[[/folder]]
[[folder:Kaori Kinoshita]]
!!Kaori Kinoshita
->Voiced by: Creator/AiKayano (Japanese), Creator/AllisonSumrall (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/kaori_kinoshita_000.png]]
Kaito's elementary classmate.
----
* AlliterativeName: '''K'''aori '''K'''inoshita
* ChildhoodFriendRomance: Towards Kaito.
* ChildhoodFriends: With Kaito.
* ChildhoodMarriagePromise: Kaito had one with Kaori. He wasn't serious about it. [[spoiler:She was, however. Sorta. In episode 7, she confides to Ichika that she was dumped by her boyfriend and was on the trip just to get over him, and was mostly on the rebound with Kaito.]]
* IWantMyBelovedToBeHappy: Kaori towards Kaito. [[spoiler:She tells Ichika she was on the rebound from getting dumped by another guy. But Kaori also warns Ichika that if she doesn't take him soon, she will.]]
[[/folder]]
[[folder:Chiharu Arisawa]]
!!Chiharu Arisawa
->Voiced by: Creator/YukaIguchi (Japanese), Creator/NatalieRial (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/ano_natsu_de_matteruchiharu_arisawa320x480_200x300.jpg]]
Kaori's friend.
----
* {{Wingdinglish}}: Arisawa has hearts in her eyes when trying to jump Tetsurou.
[[/folder]]
[[folder:Emika Takatsuki]]
!!Emika Takatsuki
->Voiced by: Creator/YuiHorie (Japanese), Creator/PatriciaDuran (English)
[[quoteright:250:https://static.tvtropes.org/pmwiki/pub/images/11498_539854862.jpg]]
Ichika's sister.
----
* CoolBigSis: [[spoiler:Emika counts as this when she shows up in the eleventh episode, as she ends up trying to help Ichika and Kaito find a loophole in the alien's law that will allow them to remain together.]]
* TheStinger: After the credits of episode 10. [[spoiler:Ichika's sister comes to rescue her.]]
[[/folder]]
