Katakoi Triangle Anime Details and Episodes Sekiya-san of the cultural library has an unrequited love for Yuuki-kun. The one who cares about Sekiya-san is the popular Kasai-kun, who is also… Series info Watch free DetailsFormatMangaStatusFinishedScore69/100SourceOriginalCountryJapan GenresRomance TagsShoujoLove TriangleSchoolTsundereHeterosexualPrimarily Teen Cast RecommendationsLast GameKimi no Yokogao wo MiteitaHokenshitsu no Kageyama-kunNatsu no KakeraShi ni Modori Reijou no LucettaTrouble Dogs CharactersKasumi Sekiya