(C94) [In The Sky (Nakano Sora)] SISUANA – sister hole [English] [N04h & Kafka] is a hentai manga (doujinshi) listed in the Top Hentai catalogue. This manga is created by Nakano Sora. Genres include: Blowjob, Chastity Belt, Defloration, Femdom, Incest. Part of the Original series. Browse related titles by the same artists, genres and characters below.