アイドルマスター SideM 理由あってMini! 初志貫徹大掃除！
Zero-G
Unaired episode bundled with the special edition of The iDOLM@STER SideM Wake Atte Mini! Returns manga. 315 Production clerk Ken Yamamura was organizing the costumes of the idols in the office. Shinsoku Ikkon and Legenders also went there and helped organize the costumes while feeling nostalgic for the past.
Ending
Akai, Suzaku
Main
Masuyama, Takeaki
Japanese
Kitamura, Sora
Main
Shioya, Fumiyoshi
Japanese
Koron, Chris
Main
Komada, Wataru
Japanese
Kurono, Genbu
Main
Fukamachi, Toshinari
Japanese
Kuzunoha, Amehiko
Main
Kasama, Jun
Japanese
Saitou, Takashi
Supporting
Tachiki, Fumihiko
Japanese
Yamamura, Ken
Supporting
Kawanishi, Kengo
Japanese
