(C80) [Sheepfold (Tachibana Yuu)] Rika No Senyou Oniku. | Science Speciality: Mountain Meat (Boku wa Tomodachi ga Sukunai) [English] is a hentai manga (doujinshi) listed in the Top Hentai catalogue. This manga is created by Tachibana Yuu. Genres include: Anal, Anal Intercourse, Double Penetration, Group, Impregnation. Featuring characters: Sena Kashiwazaki. Part of the Boku Wa Tomodachi Ga Sukunai series. Browse related titles by the same artists, genres and characters below.