History Trivia / GrandBlue

* CastingGag[=/=]TheDanza: IdolSinger and voice actress Kaya Mizuki is voiced by IdolSinger and voice actress Creator/NanaMizuki.

* RelationshipVoiceActor:
** [[Creator/YuumaUchida Iori]], [[Creator/ToaYukinari Azusa]] and [[Creator/KatsuyukiKonishi Ryuujirou]] are [[VideoGame/TheKingOfFighters Rock, Love Heart and Maxima]].
** [[Creator/HirokiYasumoto Shinji]], [[Creator/KatsuyukiKonishi Ryuujirou]], [[Creator/JunFukuyama Kudou]] and [[Creator/ShowHayami the Head Bartender]] are [[Manga/{{Bleach}} Sado, Hisagi & Kengo, Yumichika & Mizuiro and Aizen]].
** [[Creator/NanaMizuki Kaya]], [[Creator/ShinjiKawada Toshio]], [[Creator/HirokiYasumoto Shinji]], [[Creator/JunFukuyama Kudou]] and [[Creator/RyoheiKimura Kouhei]] are [[Manga/{{Naruto}} Hinata, Shino, Han & Roshi, Toneri]] and [[Manga/{{Boruto}} Shizuma]].
** [[Creator/ShinjiKawada Toshio]], and [[Creator/HirokiYasumoto Shinji]] are [[Manga/SchoolRumble Hanai and Tougo]].
** [[Creator/KanaAsumi Aina]] and [[Creator/JunFukuyama Kudou]] are [[Manga/{{Wagnaria}} Taneshima and Takanashi]].
** [[Creator/TakuyaEguchi Nojima]], [[Creator/JunFukuyama Kudou]] and [[Creator/KatsuyukiKonishi Ryuujirou]] are [[Anime/IxionSagaDT Kon, Mariandale and Konitan]].
** [[Creator/NatsukiHanae Mitarai]] and Yamamoto (Junya Enoki) are [[Anime/DigimonAdventureTri Taichi and Takeru]].
** [[Creator/NatsukiHanae Mitarai]], [[Creator/YuumaUchida Iori]] and [[Creator/KatsuyukiKonishi Ryuujirou]] are [[Manga/TokyoGhoul Kaneki/Haise, Shirazu and Amon]].
** [[Creator/ToaYukinari Azusa]], [[Creator/NanaMizuki Kaya]] and Yamamoto (Creator/JunyaEnoki) are [[Film/AvengersEndGame Scarlett Witch, Captain Marvel and Spider Man]] (Japanese Dub).
* WhatCouldHaveBeen: There might not have been an AnimatedAdaptation at all; back in 2017, it was implied on Website/{{Twitter}} by series creator Kenji Inoue that due to the heavy drinking aspect and certain characters being under-aged in the {{Manga}}[[labelnote:*]]Japan's legal age to drink is 20, whereas the first-years are 18-years old[[/labelnote]], it was going to be impossible for an {{Anime}} of ''Grand Blue'' to occur. While it ultimately was adapted, all characters who do drink are forced to be at least 20-years old, so that MoralGuardians wouldn't make a fuss about anyone drinking under-age.

** [[Creator/KanaAsumi Aina]] and [[Creator/JunFukuyama Kudou]] are [[Manga/{{Working}} Taneshima and Takanashi]].

** [[Creator/ToaYukinari Azusa]] and Yamamoto (Creator/JunyaEnoki) are [[Film/AvengersInfinityWar Scarlett Witch and Spider Man]] (Japan Dub).

** [[Creator/ToaYukinari Azusa]] and Yamamoto (Junya Enoki) are [[Film/AvengersInfinityWar Scarlett Witch and Spider Man]] (Japan Dub).

** [[Creator/ToaYukinari Azusa]] and Yamamoto (Junya Enoki) are [[Film/Avengers InfinityWar Scarlett Witch and Spider Man]] (Japan Dub).

** [[Creator/NatsukiHanae Mitarai]], [[Creator/YuumaUchida Iori]] and [[Creator/KatsuyukiKonishi Ryuujirou]] are [[Manga/TokyoGhoul Kaneki & Haise, Shirazu and Amon]].

** [[Creator/KanaAsumi Aina]], [[Creator/JunFukuyama Kudou]] are [[Manga/{{Working}} Taneshima and Takanashi]].

* DoItYourselfThemeTune: The ending song "Konpeki no al Fine" is sung by a group called "Izu no Kaze", comprised of Creator/YuumaUchida (Iori), Creator/RyoheiKimura (Kouhei), Creator/HirokiYasumoto (Shinji) and Creator/KatsuyukiKonishi (Ryuujirou).

** [[Creator/NanaMizuki Kaya]], [[Creator/ShinjiKawada Toshio]], [Creator/HirokiYasumoto Shinji]], [[Creator/JunFukuyama Kudou]] and [[Creator/RyoheiKimura Kouhei]] are [[Manga/{{Naruto}} Hinata, Shino, Han & Roshi, Toneri]] and [[Manga/{{Boruto}} Shizuma]].

** [[Creator/HirokiYasumoto Shinji]], [[Creator/KatsuyukiKonishi Ryuujirou]] and [[Creator/JunFukuyama Kudou]] are [[Manga/{{Bleach}} Sado, Hisagi & Kengo and Yumichika & Mizuiro]].
** [[Creator/NanaMizuki Kaya]] and [[Creator/ShinjiKawada Toshio]] are [[Manga/{{Naruto}} Hinata and Shino]].
** [[Creator/ShinjiKawada Toshio]] and [[Creator/HirokiYasumoto Shinji]] are [[Manga/SchoolRumble Hanai and Tougo]].
** [[Creator/KanaAsumi Aina]] and [[Creator/JunFukuyama Kudou]] are [[Manga/{{Working}} Taneshima and Takanashi]].

** [[Creator/KanaAsumi Aina]] and [[Creator/JunFukuyama Kudou]] are [[Manga/{{Working}} Taneshima and Takahashi]].

* WhatCouldHaveBeey uhn: There might not have been an AnimatedAdaptation at all; back in 2017, it was implied on Website/{{Twitter}} by series creator Kenji Inoue that due to the heavy drinking aspect and certain characters being under-aged in the {{Manga}}[[labelnote:*]]Japan's legal age to drink is 20, whereas the first-years are 18-years old[[/labelnote]], it was going to be impossible for an {{Anime}} of ''Grand Blue'' to occur. While it ultimately was adapted, all characters who do drink are forced to be at least 20-years old, so that MoralGuardians wouldn't make a fuss about anyone drinking under-age.

* WhatCouldHaveBeen: There might not have been an AnimatedAdaptation at all; back in 2017, it was implied on Website/{{Twitter}} by series creator Kenji Inoue that due to the heavy drinking aspect and certain characters being under-aged in the {{Manga}}[[labelnote:*]]Japan's legal age to drink is 20, whereas the first-years are 18-years old[[/labelnote]], it was going to be impossible for an {{Anime}} of ''Grand Blue'' to occur. While it ultimately was adapted, all characters who do drink are forced to be at least 20-years old, so that MoralGuardians wouldn't make a fuss about anyone drinking under-age.

** [[Creator/NanaMizuki Kaya]] and [[Creator/ShinjiKawada Toshio]] are [[Manga/{{Naruto}} Hinata and Shino]].
** [[Creator/ShinjiKawada Toshio]] and [[Creator/HirokiYasumoto Shinji]] are [[Manga/School Rumble Hanai and Tougo]].

* TheDanza: IdolSinger and voice actress Kaya Mizuki is voiced by IdolSinger and voice actress Creator/NanaMizuki.
* DoItYourselfThemeTune: The ending song "Konpeki no al Fine" is sung by a group called "Izu no Kaze", comprised of Creator/YuumaUchida, Creator/RyoheiKimura, Creator/HirokiYasumoto and Creator/KatsuyukiKonishi.
* RealLifeRelative: Iori is voiced by Creator/YuumaUchida, while Nanaka is voiced by his older sister Creator/MaayaUchida.

* WhatCouldHaveBeen: In 2017, it was implied on Website/{{Twitter}} by series creator Kenji Inoue it was going to be impossible for an AnimatedAdaptation of ''Grand Blue'' to happen due to the heavy drinking aspect and certain characters being underaged[[labelnote:*]]Japan's legal age to drink is 20, whereas the first-years are 18-years old[[/labelnote]]. To remedy this, all characters are aged to 20 for the {{Anime}}.

* RealLifeRelative: Iori is voiced by Creator/YuumaUchida, while Nanaka is voiced by his older sister Creator/MaayaUchida.

* RealLifeRelative: Iori is voiced by Creator/YuumaUchida, while Aina is voiced by his older sister Creator/MaayaUchida.

* DoItYourselfThemeTune: The ending song "Konpeki no al Fine" is sung by a group called "Izu no Kaze", comprised of Creator/YuumaUchida, Creator/RyoheiKimura, Creator/HirokiYasumoto and Creator/KatsuyukiKonishi.