Is The iDOLM@STER Prologue SideM: Episode of Jupiter hentai?
English title: The iDOLM@STER Side M: Episode of Jupiter
No
Rated PG-13 (Teens 13 or older) on MyAnimeList and not tagged as Hentai.

Special · 2017 · 1 episodes · PG-13 - Teens 13 or older
Idols (Male), Music
Prequel story of The iDOLM@STER SideM featuring Jupiter.
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