iiinova — where your digital self keeps evolving

The first story for the newly announced “–AJI Project–” CD series will be up on October 14th! The synopsis has been revealed~ 💎

CONNECT WITH MUSIC! story "AJI na Yatsura" synopsis

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Next on ～P@SSION CHALLENGE We are 315!～ MONTHLY THEME SONG: Beit! Their CD will be released on December 23rd! ❄️

ICYMI: The preview for ～P@SSION CHALLENGE We are 315!～ MONTHLY THEME SONG 13 Jupiter is up! Take a peek at Jupiter’s new song, “Lucent whale”! 🪐 There will be a serial code for a bonus story! Look forward to the November 25th release! 💫 🔗 youtu.be/Ox9ZxjEtjsY

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(Translation: his unitmates + Producer threw a surprise party for him in the cafe that left him speechless from their effort and kindness!)

SideM ENG @sidem-eng.bsky.social · 24/09/2026

Pardon our tardiness, but let’s not forget to bless the replenishing master from Café Parade, Asselin Beelzebuth II! We hope his masters & Satan had a delight! 🍝😈 Trivia: His own brethren held a surprise banquet for him at the sacred grounds that left him speechless!

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Happy birthday to the loveable medical expert of DRAMATIC STARS, Kaoru Sakuraba! We hope that KaoruPs keep a watch out on their health!🐬 Trivia: He appears to have quite a sweet tooth, and doesn’t mind having a snack in order for him to concentrate (…in moderation, of course!)

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SideM ENG @sidem-eng.bsky.social · 15/09/2026

Sorry for the late post! Happy birthday to dazzling navigator of F-LAGS, Ryo Akizuki! We hope that RyoPs have a dearly, dearly day under one sky! 🍳 Trivia: The pink outfit he wore during his time in 876Pro is named “Snow Strawberry”, first seen in the 1st Vision era iM@S games!

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SideM ENG @sidem-eng.bsky.social · 14/09/2026

Let’s not forget to say happy birthday to THE Kogado’s ramen caretaker, Michiru Enjoji! We hope that MichiruPs have an exciting bowl today! 🍜 Trivia: He has a strong resistance to horror, and doesn’t make a flinch when filming horror scenes!

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Notes: - Features a new original story specifically for console, taken place within the Portal stories’ worldview - Includes all 49 idols individually preparing for a big live that will take place 1 year from now - More details (including title and release date) TBA

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THE IDOLM@STER SideM will finally have its very first console game, on the Nintendo Switch! (1 & 2) 🦅 The game will be an “Idol Produce & Schedulling ADV Game” developed by D3 Publisher! PV: youtu.be/6qZgj3CVahw

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Next, a 65 minute theatrical cut of F@NTASTIC BATTLE FES ~Who goes first~ will be hitting at movie theaters across Japan on November 20th! 💥 🔗 idolmaster-official.jp/live_event/s... Here's the PV! 🔗 youtu.be/XfdzSc_a8TQ

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Second, a new story & CD series will be starting this October: the “AJI Project”! 🔥 Physical → Team Sweet 💠 Intelligence → Team Spicy 💛 Mental → Team Bitter 3 new songs & 6 new stories have been announced for the series!

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11th STAGE ~EVER EVER@FTER~ Day 2 news! 📖 First, memorial goods are now up for pre-orders on Asobistore until Oct 11th! Note: the TRANSCENDENT T@LES outfits are named “Transcend Reveil”~ 🔗 idolmaster-official.jp/news/01_19873

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Producers! The Konkan no Marionette Theme Song “Anima Fortuna” & Soundtrack is finally up for digital download & streaming! 🕯️ (The streaming links will be up once it’s Sept 13th in your timezone!) 🔗 lnk.to/LACZ-10340d

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Lastly, the CONNECT WITH STAGE! story for 11th STAGE ~EVER EVER@FTER~ Day 1 is up! 🔗 asobistory.asobistore.jp/connectwiths... Look forward to Day 2 tomorrow, Producers! 📖

As for the live: - Audio commentary viewings with the cast on Sept 19th and 20th! - The 11th STAGE LIVE Blu-ray will be released on July 14, 2027! The Asobistore edition contains a bonus disc containing footage from PASSIONABLE READING SHOW ~Konkan no Marionette~!

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M Fes makes a return this year with M Fes 2026 in Winter Wonderland! 🎅 Here’s a look at the 49 idols in their Christmas gear~ (Chibi art by @/_sz__k) 🔗 idolmaster-official.jp/lp/sidemfes2...

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A new merch series titled “315 MODE” has been announced, with the idols taking on a magazine photoshoot! 🌸📸 vol.1 of the “Spring Collection” features Tsubasa, Hokuto, Kyoji, Yusuke, Ryu, and Sora! Pre-orders are up until Sept 30th! 🔗 shop.asobistore.jp/feature/side...

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Second… a joint live with Shiny Colors has been announced! 🦅🐦 THE IDOLM@STER SideM × SHINY COLORS SPARKLE SHOWDOWN will be held at Yokohama Arena from June 5–6, 2027! 🔗 idolmaster-official.jp/live_event/s... The cast list for both days have been revealed! Look forward to it! 💚🩵

THE IDOLM@STER SideM × SHINY COLORS SPARKLE SHOWDOWN (DAY 1)
Yokohama Arena / June 5, 2027

SideM
* W – Takeru Kikuchi (Yusuke), Yoshitaka Yamaya (Kyosuke)
* FRAME – Kentaro Kumagai (Hideo), Kento Hama (Ryu), Takuya Masumoto (Seiji)
* High×Joker – Takuma Nagatsuka (Jun), Hiroshi Watanabe (Natsuki), Yusuke Shirai (Haruna), Sho Nogami (Shiki)
* C.FIRST – Yuri Ise (Shu), Masaya Miyazaki (Momohito)

SHINY COLORS
* Hokago Climax Girls – Hiyori Kono (Kaho), Mariko Nagai (Juri), Wakana Maruoka (Rinze), Akiho Suzumoto (Natsuha)
* ALSTROEMERIA – Ryoko Maekawa (Tenka), Noriko Shibasaki (Chiyuki)
* SHHis – Azusa Shizuki (Nichika), Aya Yamane (Mikoto)
* CoMETIK – Rina Kawaguchi (Luca), Haruna Mikawa (Hana), Rena Ozawa (Haruki)

THE IDOLM@STER SideM × SHINY COLORS SPARKLE SHOWDOWN (DAY 2)
Yokohama Arena / June 6, 2027

SideM
* Altessimo – Shunichi Toki (Kei), Yusuke Nagano (Rei)
* S.E.M – Kent Ito (Michio), Junya Enoki (Rui), Yoshiki Nakajima (Jiro)
* Café Parade – Sho Karino (Kamiya), Takuya Kodama (Makio), Daiki Kobayashi (Saki)
* F-LAGS – Yuko Sanpei (Ryo), Takehiro Urao (Daigo), Shunya Hiruma (Kazuki)
* Legenders – Jun Kasama (Amehiko), Fumiyoshi Shioya (Sora), Wataru Komada (Chris)

SHINY COLORS
* illumination STARS – Hitomi Sekine (Mano), Reina Kondo (Hiori), Mayu Mineda (Meguru)
* L’Antica – Karin Isobe (Kogane), Chisa Suganuma (Mamimi), Anna Yamaki (Sakuya), Shio Kisui (Yuika), Mizuki Yuina (Kiriko)
* Straylight – Yuki Tanaka (Asahi), Eri Yukimura (Fuyuko), Sayaka Kitahara (Mei)
* noctchill – Yu Wakui (Toru), Rio Tsuchiya (Madoka), Saran Tajima (Koito), Miho Okasaki (Hinana)

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11th STAGE ~EVER EVER@FTER~ Day 1 news! 📖 First off, THE IDOLM@STER SideM PRODUCER MEETING ～AJewelholIc!!!～ will be held on Mar 13–14, 2027 at Keio Arena Tokyo! 🔗 idolmaster-official.jp/live_event/s... The cast appearing on both days have been revealed!

THE IDOLM@STER SideM PRODUCER MEETING ～AJewelholIc!!!～ DAY 1
Keio Arena Tokyo / March 13, 2027

PHYSICAL
Shugo Nakamura (Teru), Tomohito Takatsuka (Minori), Takeaki Masuyama (Suzaku), Keisuke Furuhata (Shiro), Shohei Komatsu (Ren)

INTELLIGENCE
Daichi Kanbara (Hokuto), Yusuke Nagano (Rei), Yoshitaka Yamaya (Kyosuke), Kentaro Kumagai (Hideo), Takuma Nagatsuka (Jun), Hiroshi Watanabe (Natsuki), Toshinari Fukamachi (Genbu), Shogo Yano (Nao)

MENTAL
Takuya Matsumoto (Seiji), Yuya Nakada (Kuro), Yusuke Shirai (Haruna), Takuya Kodama (Makio), Koki Ino (Kanon), Fumiyoshi Shioya (Sora)

THE IDOLM@STER SideM PRODUCER MEETING ～AJewelholIc!!!～ DAY 2
Keio Arena Tokyo / March 14, 2027

PHYSICAL
Kento Hama (Ryu), Sho Nogami (Shiki), Daiki Kobayashi (Saki), Daiki Hamano (Michiru), Takehiro Urao (Daigo)

INTELLIGENCE
Shogo Yano (Nao), Kent Ito (Michio), Yoshiki Nakajima (Jiro), Shunya Hiruma (Kazuki), Jun Kasama (Amehiko), Wataru Komada (Chris), Yuri Ise (Shu)

MENTAL
Takeru Kikuchi (Yusuke), Yutaka Balletta (Shoma), Sho Karino (Kamiya), Koki Ino (Kanon), Masaya Miyazaki (Momohito)

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Reposted by SideM ENG

Producers!!!!! The tale of THE IDOLM@STER SideM 11th STAGE ~EVER EVER@FTER~ will be starting later today and tomorrow!!!!! Both days’ sessions start at 17:30 JST! For the Producers watching on stream or on-site, hope you enjoy this transcending live! 🌟🔥

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Here’s the cast list for both days! (In case anyone forgot!) Streaming tickets for each day (or both!) are available for purchase on Asobistage until Sept 21st! 🔗 asobistage.asobistore.jp/event/sidem_...

THE IDOLM@STER SideM 11th STAGE ～EVER EVER@FTER～ DAY 1
Toyota Arena Tokyo / Sept 12, 2026

DRAMATIC STARS – Shugo Nakamura (Teru)
Jupiter – Daichi Kanbara (Hokuto)
Altessimo – Yusuke Nagano (Rei)
W – Takeru Kikuchi (Yusuke), Yoshitaka Yamaya (Kyosuke)
FRAME – Kentaro Kumagai (Hideo), Takuya Masumoto (Seiji)
Sai – Yutaka Balletta (Shoma), Yuya Nakada (Kuro)
High×Joker – Shoya Chiba (Hayato), Takuma Nagatsuka (Jun), Hiroshi Watanabe (Natsuki), Yusuke Shirai (Haruna), Sho Nogami (Shiki)
Shinsoku Ikkon – Takeaki Masuyama (Suzaku), Toshinari Fukamachi (Genbu)
Café Parade – Takuya Kodama (Makio), Daiki Kobayashi (Saki)
S.E.M – Kent Ito (Michio), Yoshiki Nakajima (Jiro)
THE Kogado – Junta Terashima (Takeru)
F-LAGS – Takehiro Urao (Daigo), Shunya Hiruma (Kazuki)
Legenders – Jun Kasama (Amehiko), Fumiyoshi Shioya (Sora)
C.FIRST – Yuri Ise (Shu), Masaya Miyazaki (Momohito), Takeo Otsuka (Eishin)

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THE IDOLM@STER SideM 11th STAGE ～EVER EVER@FTER～ DAY 2
Toyota Arena Tokyo / Sept 13, 2026

Jupiter – Takuma Terashima (Touma), Daichi Kanbara (Hokuto)
Altessimo – Shunichi Toki (Kei), Yusuke Nagano (Rei)
FRAME – Kentaro Kumagai (Hideo), Kento Hama (Ryu), Takuya Masumoto (Seiji)
Sai – Yutaka Balletta (Shoma), Yuya Nakada (Kuro)
Shinsoku Ikkon – Toshinari Fukamachi (Genbu)
Café Parade – Sho Karino (Kamiya), Kohei Amasaki (Soichiro), Makoto Furukawa (Asselin), Takuya Kodama (Makio), Daiki Kobayashi (Saki)
Mofumofuen – Shogo Yano (Nao)
S.E.M – Kent Ito (Michio), Junya Enoki (Rui), Yoshiki Nakajima (Jiro)
THE Kogado – Junta Terashima (Takeru), Daiki Hamano (Michiru), Shohei Komatsu (Ren)
F-LAGS – Yuko Sanpei (Ryo), Takehiro Urao (Daigo), Shunya Hiruma (Kazuki)
Legenders – Jun Kasama (Amehiko), Fumiyoshi Shioya (Sora), Wataru Komada (Chris)
C.FIRST – Yuri Ise (Shu), Masaya Miyazaki (Momohito)

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Next on ～P@SSION CHALLENGE We are 315!～ MONTHLY THEME SONG: Jupiter! Their CD will be released on November 25th! 🪐 (Reposted due to an error! 🫠)

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ICYMI: The preview for ～P@SSION CHALLENGE We are 315!～ MONTHLY THEME SONG 12 Café Parade is up! Take a peek at Café Parade’s new song, “ALLDAY LOVING!” ☕ There will be a serial code for a bonus story! Look forward to the October 21st release! 💫 🔗 youtu.be/xPnbCuHfozk

THE IDOLM@STER SideM ～P@SSION CHALLENGE We are 315!～ MONTHLY THEME SONG 12 Café Parade
1. ALLDAY LOVING!
2. ALLDAY LOVING! (Yukihiro Kamiya Solo Ver.)
3. ALLDAY LOVING! (Soichiro Shinonome Solo Ver.)
4. ALLDAY LOVING! (Asselin Beelzebuth II Solo Ver.)
5. ALLDAY LOVING! (Makio Uzuki Solo Ver.)
6. ALLDAY LOVING! (Saki Mizushima Solo Ver.)
7. ALLDAY LOVING! (Off Vocal)

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Sai’s ninja themed outfits for the previously announced collab to be held in the Agatsuma District, Gunma has been revealed! 🥷🌸 More details about the collab will be up on the district’s official Twitter account (@/agatsuma_bime) in the near future.

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While Vol.1 is ongoing, Vol.2 of the Knick-Knacks series of pop-up stores will start in fifteen Hands stores throughout Japan from Nov 11th! 💚 Featuring: Jun, Genbu, Nao, Kazuki, Momohito, Minori, Shoma, Haruna, Saki, Ryo, Kaoru, and Sora!

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- “315 Fitness Project in RENAISSANCE” collab, featuring W, Seiji, Jiro, and Takeru! The event will go across all 49 prefectures from Oct 22–Nov 29.

- In plushie-related news: Café Parade, DRAMATIC STARS, F-LAGS, Beit, and W Howanuis coming on Oct 31st!

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- The first Daimaru Tokyo collab group will also be getting fragrances! Pre-orders are up on Anideal’s website until Oct 15th: info-anideal.com/collections/...

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- 2nd Daimaru collab, this time at DAIMARU MATSUZAKAYA starting Oct 28th!

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- “Chou!! Retrose Party” collab at Seibu-en Yuuenchi from Oct 30–Dec 1! With DRAMATIC STARS, W, Café Parade, S.E.M, and F-LAGS! 🌹 - Talk parties w/ the cast on Oct 31st, Nov 1st, and Nov 22nd!

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Collab & merch news! - “Who howls at night?” pop up at Shibuya Modi (Oct 23–Nov 1) feat. FRAME + Saki/Makio (w/ C.FIRST as one of chibis) 🐺

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F@NFES ~Wanna step in~ news! - New theme song feat. the 8 units is in the works! - Asobistore Premium round of tickets start! - Event goods currently up for pre-order until Sept 27th

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SideM ENG @sidem-eng.bsky.social · 01/09/2026

(Very late) Sept 1st stream news recap! 🐑🐺🐰 (🧵) First of all: a new (voiced) 1-Koma featuring Mofumofuen (with Kanon’s new VA) was shown on stream! You can also view it on Asobistory! 🔗 asobistory.asobistore.jp/episode/entr...

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Also, sorry for the late post~ But happy birthday to S.E.M’s chemistry cat lover, Jiro Yamashita! We hope that JiroPs have a heartily grilled meal at the corner! 🐴 Trivia: His fan letters would often include doodles of cats on them!

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Reposted by SideM ENG

SideM ENG @sidem-eng.bsky.social · 28/08/2026

Also, a special livestream w/ the upcoming voice schedule, F@NFES, etc. will be held at Sept 1st, 19:00 JST! 🐰 Attending: - Shugo Nakamura (Teru) - Sho Karino (Kamiya) - Shogo Yano (Nao) - Keisuke Furuhata (Shiro) - Koki Ino (Kanon) 🆕 - Yukie Ishizawa (SideM Content Producer)

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SideM ENG @sidem-eng.bsky.social · 28/08/2026

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SideM ENG @sidem-eng.bsky.social · 28/08/2026

It has been announced that Koki Ino will be taking the role of Kanon Himeno! Please welcome him to Mofumofuen and SideM! 🐰 He’ll make his introduction in a special livestream to be held on Sept 1st, 19:00 JST! 🐑 idolmaster-official.jp/news/01_19734

idolmaster-official.jp

「姫野かのん」新キャスト決定のお知らせ

いつも『アイドルマスター SideM』を応援いただき、誠にありがとうございます。2026年8月18日(火)に発表いたしました「姫野かのん」役のキャスト変更につ

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SideM ENG @sidem-eng.bsky.social · 23/08/2026

Happy birthday to Sai’s free-flowing butterfly, Shoma Hanamura! We hope that ShomaPs have a nice summer vacation! 🍚 Trivia: He and his siblings used to catch dragonflies in the rice fields during summertime!

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SideM ENG @sidem-eng.bsky.social · 22/08/2026

Song selections! 10th AP SoloColle 04: “SUPERNOVA”, “BRIGHT SUNNY DAY”, “Meteoric Swarm”, “Sunny day, Perfect day” JUMBLED 01: “Best Wishes.”, “Watchword”, “Seven Days Arpeggio”, “BeSide Emotion”