Mirai Kasuga (春日未来 Kasuga Mirai), is one of the idols featured in The iDOLM@STER: Million Live! and is also one of the members of the "39 Project" (「39（サンキュー）プロジェクト」 "sankyuu purojekuto") throughout the events of The iDOLM@STER: Million Live! Theater Days. Her Million Live! original card type was Vocal, meanwhile her Theater Days card type is Princess. She is the lead character of the branch and is voiced by Haruka Yamazaki (山崎はるか Yamazaki Haruka).
