History VideoGame / TheIdolmasterSideM

In October 2017, the series received [[Anime/TheIdolmasterSideM its own adaptation]] to air in the Fall 2017 anime season, and an adaptation of ''Wakeatte Mini!'' in 2018. Within the same timeframe as the former, it got a RhythmGame spinoff of its own: ''THE [=iDOLM@STER=]: [=SideM=]: Live on [=St@ge!=]'', featuring all idols present to date in the game and debuting Jupiter's new outfits. ''[=LoS=]'' is to end service in January 2021, after 3 years of service.

In October 2017, the series received [[Anime/TheIdolmasterSideM its own adaptation]] to air in the Fall 2017 anime season, and an adaptation of ''Wakeatte Mini!'' in 2018. Within the same timeframe as the former, it got a RhythmGame spinoff of its own: ''THE [=iDOLM@STER=]: [=SideM=]: Live on [=St@ge!=]'', featuring all idols present to date in the game and debuting Jupiter's new outfits.

[[labelnote:Year 6]]('''Within This Heart-Pounding Moment''')Kyoji poses as his ''Cybernetics Wars'' character does in its first event, Pierre gets back his puppet from the "Waltz with Puppets" event, and Minori visits a melon-themed sweets shop referencing the Melon Fair Live. Meanwhile, Teru holds a figurine of his character from the ''Sentai [=DraStars=]'' production, Kaoru is pictured by the water fountain he ran past in his Fresh Green Live SR card, and Tsubasa is holding the charms he got from the 2016 New Year Festival Live.[[/labelnote]]

[[labelnote:Year 5]]('''Within This Heart-Pounding Moment''')Kyoji poses as his ''Cybernetics Wars'' character does in its first event, Pierre gets back his puppet from the "Waltz with Puppets" event, and Minori visits a melon-themed sweets shop referencing the Melon Fair Live. Meanwhile, Teru holds a figurine of his character from the ''Sentai [=DraStars=]'' production, Kaoru is pictured by the water fountain he ran past in his Fresh Green Live SR card, and Tsubasa is holding the charms he got from the 2016 New Year Festival Live.[[/labelnote]]

* {{Bowdlerize}}: The "Rampage" event has Pierre utter the only instance of a swear word in the whole franchise (exclaiming "HOLY SHIT!" in English). The rerun of the event in 2020 finally changes the swear into something more age appropriate.

* AdaptationExpansion: Occadionally, the game will hold a vote for an event to get a sequel in some way. The Cybernetics Wars, Beast Chronicles, and Best Game events eventually got their own Drama [=CDs=], along with a special theme done by all of the idols who participated in it. Nozomira Melody also received a sequel.

* [[invoked]]CastingGag: There are quite a few of their film roles that make reference to some aspect of them:

* WeddingEpisode: Like its sister series, ''[=SideM=]'' does a June wedding event every year. The style of wedding differs slightly; while it's mostly western style, THE Kogado participated with a Shinto styled wedding. In addition, there are only two exceptions to the usual formula of dressing as a groom for a shoot: 2019's event features [=HighxJoker=] as the band playing at a real wedding, and Saki is dressed as a bride.

* WeddingEpisode: Like its sister series, ''[=SideM=]'' does a June wedding event every year. The style of wedding differs slightly; while it's mostly western style, THE Kogado participated with a Shinto styled wedding. In addition, there are only two exceptions to the usual formula of dressing as a groom for a shoot: 2019's event features HIGH JOKER as the band playing at a real wedding, and Saki is dressed as a bride.

* WeddingsInJapan: Like its sister series, ''[=SideM=]'' does a June wedding event every year. The style of wedding differs slightly; while it's mostly western style, THE Kogado participated with a Shinto styled wedding.

[[labelnote:Year 4]]('''Fists of Faith''') Genbu comments on his improved tea pouring skills and butler gig from the Elegant Days with Butlers event, while Suzaku gets to throw on his costume from the Bakumatsu Shining Star Record event; meanwhile, Ren has his basketball that his "Graduation" character had, Taiga is featured in the shirt and he wore during the Bullets of Heresy event and the stage he points out to the Producer was from the Fresh Green Live event, complete with a recreation of the dance shown on his card; Michiru brings up the Sengoku Movie Village event.\\

* AdaptationExpansion: The Cybernetics Wars, Beast Chronicles, and Best Game events eventually got their own Drama [=CDs=], along with a special theme done by all of the idols who participated in it.

** Beit and [=HighXJoker=] participated in one with ''VideoGame/TaikoDrumMaster''. On the rhythm game's side, "Drive A Live" became a playable song for the series.

('''Six Person Banquet''') All of Cafe Parade holds a dish seen in one event; Saki's shrimp neapolitan was first seen in the Green Parade event, as was Kamiya's bunny cafe art and Soichiro's macarons.[[/labelnote]] [[labelnote:Year 4]]('''Fists of Faith''') Genbu comments on his improved tea pouring skills and butler gig from the Elegant Days with Butlers event, while Suzaku gets to throw on his costume from the Bakumatsu Shining Star Record event; meanwhile, Ren has his basketball that his "Graduation" character had, Taiga is featured in the shirt and he wore during the Bullets of Heresy event and the stage he points out to the Producer was from the Fresh Green Live event, complete with a recreation of the dance shown on his card; Michiru brings up the Sengoku Movie Village event.\\

('''Six Person Banquet''') All of Cafe Parade holds a dish seen in one event; Saki's shrimp neapolitan was first seen in the Green Parade event, as was Kamiya's bunny cafe art and Soichiro's macarons.[[/labelnote]]
[[labelnote:Year 4]]('''Fists of Faith''') Genbu comments on his improved tea pouring skills and butler gig from the Elegant Days with Butlers event, while Suzaku gets to throw on his costume from the Bakumatsu Shining Star Record event; meanwhile, Ren has his basketball that his "Graduation" character had, Taiga is featured in the shirt and he wore during the Bullets of Heresy event and the stage he points out to the Producer was from the Fresh Green Live event, complete with a recreation of the dance shown on his card; Michiru brings up the Sengoku Movie Village event.\\

** For 2019, Producers could play the fantasy RPG spoof ''315 Quest'' for a limited time.

** With ''VideoGame/TalesOfAsteria'' during 2017 and 2019. While Shiki and Touma ended up in the ''Tales'' universe as optional bosses and cards, [[VideoGame/TalesOfVesperia Yuri Lowell]] and [[VideoGame/TalesOfTheAbyss Luke von Fabre]] got special edition cards for ''[=SideM=]''. Yuusuke and Minori got to wear the guest stars' clothes for a card, while Kyousuke and the rest of Beit got to wear some of the clothes from the other participants on ''Asteria'''s side. In the 2019 event, [[VideoGame/TalesOfZestiria Zaveid]] and [[VideoGame/TalesOfVesperia Raven]] are the ''Tales'' representatives who show up in-game, while Jiro, Genbu, Rei, Hayato, and Ren are the ''[=SideM=]'' participants. Teru and Hideo take Shiki and Touma's place as the ''Asteria'' boss fights and cards.

** The Super Live Fes event and its corresponding popularity poll[[note]]which gives the top 5 front billing and special cards for the in-game event, and the top 2 [=SRs=][[/note]] is all but extinct after Live Fes 2016. They do have the outfit return, albeit for the ''VideoGame/TalesOfAsteria'' collaboration.

** With ''VideoGame/TalesOfAsteria'' during 2017 and 2019. While Shiki and Touma ended up in the ''Tales'' universe as optional bosses and cards, [[VideoGame/TalesOfVesperia Yuri Lowell]] and [[VideoGame/TalesOfTheAbyss Luke von Fabre]] got special edition cards for ''[=SideM=]''. Yuusuke and Minori got to wear the guest stars' clothes for a card, while Kyousuke and the rest of Beit got to wear some of the clothes from the other participants on ''Asteria'''s side. In the 2019 event, [[VideoGame/TalesOfZestiria Zaveid]] and [[VideoGame/TalesOfVesperia Raven]] are the ''Tales'' representatives, while Jiro, Genbu, Rei, Hayato, and Ren are the ''[=SideM=]'' participants.

** With ''VideoGame/TalesOfAsteria'' during 2017 and 2019. While Shiki and Touma ended up in the ''Tales'' universe as optional bosses and cards, [[VideoGame/TalesOfVesperia Yuri Lowell]] and [[VideoGame/TalesOfTheAbyss Luke von Fabre]] got special edition cards for ''[=SideM=]''. Yuusuke and Minori got to wear the guest stars' clothes for a card, while Kyousuke and the rest of Beit got to wear some of the clothes from the other participants on ''Asteria'''s side.

** Beit and [=HighXJoker=] participated in one with ''VideoGame/TaikoDrumMaster''. On the rhythm game's side, "Drive A Live" became a playable song for the series.

** Sanrio collaborated with the series for a set of merchandise.
** In 2018, the game ''Nemo Tomo'' included some [=SideM=] assets as part of a greater [=iDOLM@STER=] collaboration.

** The anniversary event cards have all of the main participants depicted with something referencing a previous event they were featured in:
*** '''Year 3:'''
---> (''The Road We Walk Together'') The ferris wheel featured in the Illumination Live event is shown in the background of Kirio's SR; Kuro's holding a prize goldfish, referencing his catching of one in the Taiko Live event; Shoma's fan is the same one used in the Elegant Dance Festival; Hideo is shown with a picture of his Wedding Mission! groom outfit; Ryu is holding a stuffed orca plushie, the animal he represented in the Blue Aquarium Live; Seiji is holding a bag of curry boxes, calling back to the Kitchen Idol event.\\
(''Six Person Banquet'') All of Cafe Parade holds a dish seen in one event; Saki's shrimp neapolitan was first seen in the Green Parade event, as was Kamiya's bunny cafe art and Soichiro's macarons.
*** '''Year 4:'''
---> (''Fists of Faith'') Genbu comments on his improved tea pouring skills and butler gig from the Elegant Days with Butlers event, while Suzaku gets to throw on his costume from the Bakumatsu Shining Star Record event; meanwhile, Ren has his basketball that his "Graduation" character had, Taiga is featured in the shirt and he wore during the Bullets of Heresy event and the stage he points out to the Producer was from the Fresh Green Live event, complete with a recreation of the dance shown on his card; Michiru brings up the Sengoku Movie Village event.\\
(''Supportive Friends'') Shiro's mask was from the White Fox Dance Festival event, Nao's card has him in front of a fast food restaurant referencing the [=315DINER=] event, and Kanon's bunny hood comes from the Sleepover Gacha. Rei carries one of his remaining fliers from the Green Record concert from the First Live event, while Kei somewhat recreates his SR+ from the 2015 Paradise Resort event.
*** '''Year 5:'''
-->('''Aiming for the Top''') Touma's card features him in a hoodie against a summer sunset, referencing the Sunshine Live event and Jupiter's first main event in the game. Shouta has a flashlight, calling back to the Short Circuit Happening gacha. Hokuto is shown with a wine bottle, referencing the Drinking Grape Drops event. Yusuke is shown against a backdrop of stars and posing for the camera with an outstretched hand, referencing the Tears of a Binary Star event and card pose for it. Kyousuke meanwhile is shown with a trophy, referencing the 2016 Idol TV! Athletic Meet event.\\
('''Principles of Bonds''') Sora holds the scepter he has in the ICE KINGDOM LIVE event, Amehiko stands behind a harvest moon, referencing the Flower Sign Dance Festival, and Chris is holding an aquarium brochure from the one that inspired him to be an idol in the first place the Aquarium Live. Meanwhile, Daigo is featured with his Smiles After the Rain parasol, Kazuki has on the blue scarf he wore in the Traditional Craft-Making Team event, and Ryo is on a cruise ship like he was in the Dream Boat Party Live.

* AdaptationExpansion: The Cybernetics Wars and Beast Chronicles events eventually got their own Drama [=CDs=], along with a special theme done by all of the idols who participated in it.

*** '''Year 5:''' Touma's card features him in a hoodie against a summer sunset, referencing the Sunshine Live event and Jupiter's first main event in the game. Shouta has a flashlight, calling back to the Short Circuit Happening gacha. Hokuto is shown with a wine bottle, referencing the Drinking Grape Drops event. Yusuke is shown against a backdrop of stars and posing for the camera with an outstretched hand, referencing the Tears of a Binary Star event and card pose for it. Kyousuke meanwhile is shown with a trophy, referencing the 2016 Idol TV! Athletic Meet event.

* FunWithAcronyms: In ''Cybernetics Wars'', the main human force is the K.G.D. However, the acronym looks similar to how "Kogadou" is pronounced in syllables, referencing THE Kogadou, who originated the K.G.D. roles.

*** '''Year 3:''' The ferris wheel featured in the Illumination Live event is shown in the background of Kirio's SR; Kuro's holding a prize goldfish, referencing his catching of one in the Taiko Live event; Shoma's fan is the same one used in the Elegant Dance Festival; Hideo is shown with a picture of his Wedding Mission! groom outfit; Ryu is holding a stuffed orca plushie, the animal he represented in the Blue Aquarium Live; Seiji is holding a bag of curry boxes, calling back to the Kitchen Idol event;