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!

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) 🔥

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...

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!

(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!

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！！！！！！ ❤️💙💛💚🩵🧡

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)

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.

(⚠️ 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 ⤵️

SideM ENG@sidem-eng.bsky.social · 3mo ago

(⚠️ MAY CONTAIN TRANSCENDENT T@LES STORY SPOILERS) Full bodies of the TT 07, 08, 09, and 10 cast have been revealed… 🐸🫏🍪🏺

Producers! The stream starts in less than 30 minutes! 📚 YouTube: youtube.com/live/dKWwY2D... NicoNico: live.nicovideo.jp/watch/lv3509...

【生配信】アイドルマスター SideM　Our cozy dozen YearZ!!!!!!!!!!!! 生配信 【アイドルマスター】

YouTube video by アイドルマスターチャンネル

youtube.com

SideM ENG@sidem-eng.bsky.social · 3w ago

Producers! The 12th anniversary “Our cozy dozen YearZ!!!!!!!!!!!!” stream will start trekking down the yellow brick road on Jul 17th, 19:00 JST! VAs attending: - Tomohito Takatsuka (Minori) - Shunya Hiruma (Kazuki) - Jun Kasama (Amehiko) - Fumiyoshi Shioya (Sora)

Producers! The 12th anniversary “Our cozy dozen YearZ!!!!!!!!!!!!” stream will start trekking down the yellow brick road on Jul 17th, 19:00 JST! VAs attending: - Tomohito Takatsuka (Minori) - Shunya Hiruma (Kazuki) - Jun Kasama (Amehiko) - Fumiyoshi Shioya (Sora)

🪐⭐🎼❄⚽🚑🌸⚡ Happy 12th Anniversary to THE IDOLM@STER SideM! 👊☕🐏🏫🔥🚩⏱✴ Producers, thanks for all the support over these wild & not-so-cozy dozen years! Look forward to the stream later tonight at 19:00 JST! 📚

Producers! The 12th anniversary “Our cozy dozen YearZ!!!!!!!!!!!!” stream will start trekking down the yellow brick road on Jul 17th, 19:00 JST! VAs attending: - Tomohito Takatsuka (Minori) - Shunya Hiruma (Kazuki) - Jun Kasama (Amehiko) - Fumiyoshi Shioya (Sora)

Next on ～P@SSION CHALLENGE We are 315!～ MONTHLY THEME SONG: F-LAGS! Their CD will be released on September 30th! 🚩

ICYMI: The CD preview for ～P@SSION CHALLENGE We are 315!～ MONTHLY THEME SONG 10 Mofumofuen is up! Take a peek at Legenders’ new song: “MofuPa de Illu~sion!” 🐑 There will be a serial code for a bonus story! Look forward to the August 26th release! 💫 🔗 youtu.be/fX4iinOuXQc

With this, the preview for TRANSCENDENT T@LES 12’s song “True End’s Tapestry” is out! The CD includes solo versions, off vocals, and a serial code for a bonus story! 💎 Look forward to the Sept 2nd release! 🔗 youtu.be/NmOzehSWdVQ

The 12th (and final) CONNECT WITH MUSIC! story for the TRANSCENDENT T@LES series is out, featuring Teru, Haruna, Saki, Michio, and Eishin in “The Wizard of Oz”! 💎 The story contains 19 fully voiced chapters and a new splash art!

Also, July 2nd was the birthday of Sai’s strong-willed tea expert, Kuro Kiyosumi! We hope that KuroPs had a warm cup of tea! (Apologies for the late post…!) 🍵 Trivia: He would like to gift recommended tea leaves if he were Santa Claus!

Happy birthday to W’s lively pair of twins, Yusuke and Kyosuke Aoi! We hope that their coaches cheer on, no matter the weather! ⚽ Trivia: They don’t have a habit of bringing umbrellas on rainy days — they’d prefer it if the weather was sunny!

Sorry for the late post! Happy birthday to C.FIRST’s multicolored bird, Momohito Hanazono! We hope his Pii-chans give him a trophy for all his hard work! 🐤 Trivia: He seems to enjoy rainy days, believing in the little joys that come out of it…

Happy birthday to High×Joker’s dedicated bassist, Natsuki Sakaki! We hope that NatsukiPs try to chill in the incoming summer heat! 🎻 Trivia: He has a tolerance for spicy food! He would just eat them without reacting.

Happy birthday to Altessimo’s patron of the violin, Rei Kagura! We hope that ReiPs have memories echoing with colorful aurora! 🎻 Trivia: He looks forward to the bento lunch boxes they get at their on-location jobs, curious to see what meal he would get outside of his home.

The next 2D MV will be Shinsoku Ikkon’s “Stillness≒Movement”, premiering on June 25th, 21:00 JST! 🔥

Released on time, W’s “AZUR” 2D MV is now out on Lantis’ YouTube channel! ⚽ 🔗 youtu.be/Ls7BFgBpDWI

Lastly on TRANSCENDENT T@LES: Teru, Haruna, Saki, Michio, and Eishin embark on a journey in “The Wonderful Wizard of Oz”! 💎

With this, the preview for TRANSCENDENT T@LES 11’s song “Ring Ding Wrong”, previewed on last month’s stream, is officially out! The CD includes solo versions, off vocals, and a serial code for a bonus story! 🐱 Look forward to the August 5th release! 🔗 youtu.be/bMtItPIUFow

The 11th CONNECT WITH MUSIC! story for TRANSCENDENT T@LES is out, featuring Kyosuke, Kirio, Hayato, and Takeru in “Puss in Boots”! 🐱 The story contains 19 fully voiced chapters and a new splash art!

Next on ～P@SSION CHALLENGE We are 315!～ MONTHLY THEME SONG: Mofumofuen! Their CD will be released on August 26th! 🐑

The CD preview for ～P@SSION CHALLENGE We are 315!～ MONTHLY THEME SONG 09 Legenders is up! Take a peek at Legenders’ new song: “Remain Viable”! ⏱ There will be a serial code for a bonus story! Look forward to the July 29th release! 💫 🔗 youtu.be/YpTdrf7wVp8

The same goes for TRANSCENDENT T@LES 08, which has recently been released on streaming! 🫏🦊🐕🐔 This includes the full version of “Kisoutengai Kyoushikyoku -FANTASTIC RHAPSODY-” and its off vocal! Solo versions are not included in the streaming release. 🔗 in the reply~

SideM ENG@sidem-eng.bsky.social · 5mo ago

With this, the CD preview for TRANSCENDENT T@LES 08 and the song “Kisoutengai Kyoushikyoku -FANTASTIC RHAPSODY-” is now out! The CD also includes solo versions, off vocals, and a serial code for a bonus story! 🫏 Look forward to the May 6th release! 🔗 youtu.be/3lTaf7H_-Gs