[Danzi Engine (Shiba Yuuji)] Umitane (English) is a hentai manga (doujinshi) listed in the Top Hentai catalogue. This manga is created by Shiba Yuuji. Genres include: Anal, Anal Birth, Anal Intercourse, Big Ass, Big Penis. Part of the Original series. Browse related titles by the same artists, genres and characters below.