(Niui) Senpai’s an Idiot! (English) (The NekoMancers) is a hentai manga (doujinshi) listed in the Top Hentai catalogue. This manga is created by Niui. Genres include: Big Ass, Big Breasts, Big Penis, Blowjob, Deepthroat. Featuring characters: Hana Uzaki, Shinichi Sakurai. Part of the Uzaki-Chan Wa Asobitai series. Browse related titles by the same artists, genres and characters below.