JK Mirko no Maruhi Training | JK MIRKO’s Secret Training is a hentai manga (doujinshi) listed in the Top Hentai catalogue. This manga is created by Prime. Genres include: Anal, Big Ass, Big Penis, Bunny Girl, Cheerleader. Featuring characters: Rumi Usagiyama. Part of the My Hero Academia | Boku No Hero Academia series. Browse related titles by the same artists, genres and characters below.