[Oojinushi (Ryuuta)] Mizu no You ni Naiyou no Usui Hon | A Book As Thin As Water (Kono Subarashii Sekai ni Syukufuku o!) [English] [Digital] is a hentai manga (doujinshi) listed in the Top Hentai catalogue. This manga is created by Ryuuta. Genres include: Big Breasts, Blowjob, Double Penetration, Group, Mmf Threesome. Featuring characters: Aqua. Part of the Kono Subarashii Sekai Ni Syukufuku O series. Browse related titles by the same artists, genres and characters below.