Is .hack//Quantum: Sore ike! Bokura no Chimuchimu-chan!! hentai?
English title: .hack//Quantum: Go, Our Chim Chims!!
No
Rated PG-13 (Teens 13 or older) on MyAnimeList and not tagged as Hentai.

Special · 2011 · 3 episodes · PG-13 - Teens 13 or older
Comedy, Video Game
DVD specials for .hack//Quantum. Main girls are being very special creatures and take lessons about the anime.
View on MyAnimeListShare
Check another title