Is Mayoi Neko Overrun! Specials hentai?
No
Rated R+ (Mild Nudity) on MyAnimeList and not tagged as Hentai.

Special · 2010 · 6 episodes · R+ - Mild Nudity
Comedy, Ecchi
Mayoi Neko Overrun! Extra.
View on MyAnimeListShare
Check another titleNo
Rated R+ (Mild Nudity) on MyAnimeList and not tagged as Hentai.

Special · 2010 · 6 episodes · R+ - Mild Nudity
Comedy, Ecchi
Mayoi Neko Overrun! Extra.
View on MyAnimeList