Himitsu, Hitotsu Anime Details and Episodes 1. Himitsu, Hitotsu (ひみつ、ひとつ) 2. Sister*Sister (sister*sister) 3. Kiss kara Hajimaru Koigokoro (キスからはじまるコイゴコロ) 4. Sayonara no Saki no Kisetsu wa… Series info Watch free DetailsFormatMangaStatusFinishedScore56/100SourceOriginalCountryJapan TagsYuriPrimarily Female CastFemale ProtagonistSchoolPrimarily Teen CastAnthologyUnrequited LoveLove TriangleTeacherAge Gap RecommendationsSyrup: A Yuri Anthology Vol. 2Poor Poor LIPSConcertoKimi to