Also known as: サマーハイスクール
An Official Alternate Costume from Idolmaster Million Live! Theater Days, worn by the following characters.
Characters
- Amami Haruka
- Kisaragi Chihaya
- Hagiwara Yukiho
- Kikuchi Makoto
- Ganaha Hibiki
- Tanaka Kotoha
- Shimabara Elena
- Satake Minako
- Tokoro Megumi
- Nonohara Akane
- Takayama Sayoko
- Matsuda Arisa
- Kousaka Umi
- Yokoyama Nao
- Miyao Miya
- Makabe Mizuki
- Shinomiya Karen
- Julia (Idolmaster)
- Shiraishi Tsumugi