[Haru Yukiko] Yuuki-chan’s Physical Improvment Plan is a hentai manga (doujinshi) listed in the Top Hentai catalogue. This manga is created by Haru Yukiko. Genres include: Big Ass (Female), Big Breasts (Female), Big Penis (Male), Blowjob (Female). Part of the Original series. Browse related titles by the same artists, genres and characters below.