iiinova — where your digital self keeps evolving

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! 📖

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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)

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! 🌟🔥

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.

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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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

The venue CDs for 11th STAGE have been revealed: 10th ANNIVERSARY P@SSION SOLO COLLECTION 04 and a new solo collection series (comprised of solo versions of past songs), JUMBLED SOLO COLLECTION! Each CD costs 2,750 JPY (w/ tax)! (Cont.)

SideM ENG @sidem-eng.bsky.social · 19/08/2026

Next on ～P@SSION CHALLENGE We are 315!～ MONTHLY THEME SONG: Café Parade! Their CD will be released on October 21st! ☕

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SideM ENG @sidem-eng.bsky.social · 19/08/2026

ICYMI: The preview for ～P@SSION CHALLENGE We are 315!～ MONTHLY THEME SONG 11 F-LAGS is up! Take a peek at F-LAGS’ new song “Summer Begins, Summer Moves”! 🚩 There will be a serial code for a bonus story! Look forward to the Sept 30th release! 💫 🔗 youtu.be/CekogVGPwV0

THE IDOLM@STER SideM ～P@SSION CHALLENGE We are 315!～ MONTHLY THEME SONG 11 F-LAGS
1. Summer Begins, Summer Moves
2. Summer Begins, Summer Moves (Ryo Akizuki Solo Ver.)
3. Summer Begins, Summer Moves (Daigo Kabuto Solo Ver.)
4. Summer Begins, Summer Moves (Kazuki Tsukumo Solo Ver.)
5. Summer Begins, Summer Moves (Off Vocal)

SideM ENG @sidem-eng.bsky.social · 18/08/2026

Happy birthday to Café Parade’s maid of honor, Saki Mizushima! May SakiPs have a poppin’ fun time despite the weather! 👠 Trivia: They have a little brother in high school named Daichi!

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SideM ENG @sidem-eng.bsky.social · 18/08/2026

Ayumu Murase, the VA for Kanon Himeno, will be stepping down from the role after 10 years. A new VA for Kanon will be announced at a later date. We wish the best of luck to him in future endeavors, and thanks for everything. 🐰

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SideM ENG @sidem-eng.bsky.social · 07/08/2026

As a follow up to the first collab, a second “Teddy's Collection” pop up store featuring Jupiter, Beit, and Mofumofuen has been announced! 🧸 It will run in September in Shinjuku Marui Annex (Sept 4–13) and Namba Marui (Sept 18–27).

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SideM ENG @sidem-eng.bsky.social · 07/08/2026

Happy birthday to S.E.M’s playful English-speaking king, Rui Maita! We hope that RuiPs don’t forget to take care of themselves in the heat! 🎾 Trivia: He has a strong affinity to this “moe moe” item — cat ears! He either puts them on himself, or make someone else try them on! 🐱

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SideM ENG @sidem-eng.bsky.social · 01/08/2026

Yahoo! (Sorry for late post!) Happy birthday! To Beit’s froggy prince, Pierre! We hope that PierrePs have a party with tasty cake~! 🐸 Trivia: His recognizable Kaerre plush has been with him since he was 8 y/o. He cherishes the time he played with Kaerre and his little brother!

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SideM ENG @sidem-eng.bsky.social · 26/07/2026

Also, THE IDOLM@STER Series 20th Anniversary Thank You! SP livestream will be held right after IWSF Day 3 ends today! MCs: Eriko Nakamura (Haruka), Takeaki Masuyama (Suzaku) 🔥

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SideM ENG @sidem-eng.bsky.social · 26/07/2026

Don’t miss Day 3 of IDOL WORLD SUPER FESTIVAL 2026, KYOUMEI (All Call & Response) as the show starts later at 18:00 JST! 🔥 Asobistage: asobistage.asobistore.jp/event/idolma... Stagecrowd: intl.stagecrowd.live/s/scint/grou...

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SideM ENG @sidem-eng.bsky.social · 25/07/2026

Collab news! - A “knick-knacks” themed pop up store will be held in fifteen Hands stores from Aug 21 to Sept 13! Features Touma, Teru, Kei, Michio, Amehiko, Hideo, Eishin, Seiji, Michiru, Kyosuke, Hayato, and Takeru!

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SideM ENG @sidem-eng.bsky.social · 25/07/2026

(Overdue) SideM 12th Anniv. stream news! 📚 Story news! - Play scenes for the TRANSCENDENT T@LES series to be released on YouTube on August 9th! - Free story viewing campaign returns! Focuses on the first 10 TT stories + F@NFES stories! - More Idol Photos to be added to My Desk!

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SideM ENG @sidem-eng.bsky.social · 25/07/2026

Happy 21st Anniversary to THE IDOLM@STER series! 🌟 Even as the 20th anniversary celebrations come to a close, we hope that Producers all over the world continue to watch over the idols’ growth for many years to come! アイマス最高！！！！！！ ❤️💙💛💚🩵🧡

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SideM ENG @sidem-eng.bsky.social · 23/07/2026

Apologies for the very late post! The following stories are free to view until tonight (Jul 23), 23:59 JST! 🔗 for each story in the replies! 🐰 Idol in Wonderland (TRANSCENDENT T@LES 01) 🐢 Reminiscence, Dissolving Into the Ocean (TT 02) 🚪 Open the Door of Challenges (TT 03)

SideM ENG @sidem-eng.bsky.social · 22/07/2026

Happy birthday to Shinsoku Ikkon’s towering intellectual, Genbu Kurono! We hope that GenbuPs have some ice to cool themselves down in the summer heat! 🧊 Trivia: He tried to lie down on the sofa and the table in the 315Pro office due to his height.

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SideM ENG @sidem-eng.bsky.social · 18/07/2026

(⚠️ MAY CONTAIN STORY SPOILERS) Completing the series of full body previews, here are the complete full body artwork of the idols in the last two TRANSCENDENT T@LES stories (11 & 12)! 🐱💎 You can also view the rest (shown in previous streams) in the quoted posts ⤵️

CONNECT WITH MUSIC! story “Ashinami Soroe Michi no Sekai e” character art, featuring Kyosuke, Kirio, Hayato, and Takeru

CONNECT WITH MUSIC! story “Subete Kono Yo wa Butai” character art, featuring Teru, Haruna, Saki, Michio, and Eishin