Onee-chan-tachi to Amaama Jukenbenkyou Anime Details and Episodes Yuuki is trying to study for his tests, but with cousin Hinata over to help with chores and student council president Kyouka to help with his studying, he… Series info · Watch free · Trending anime · Airing schedule FormatMangaStatusFinishedSourceOriginalCountryJapan Hentai Onee-chan to, Shiyo? (Related)