Kisei Kanojo Sana Anime Details and Episodes You have the sexually curious imouto, the erotic school nurse, and the cute, over-protective parasite that comes out of our MC Karuto's stomach. Series info · Watch free · Trending anime · Airing schedule FormatNovelStatusFinishedSourceOriginalCountryJapan Ecchi · Romance School · Shounen Kisei Kanojo Sana: Parasistence Sana (Adaptation)