Watch 12-sai.: Chiccha na Mune no Tokimeki 2 Watch now on Miruro - Free Anime Streaming The second season of 12-sai. Series info Watch free DetailsFormatTvStatusFinishedEpisodes12Duration24 minSeasonFall 2016Score63/100StudiosOLMSourceMangaCountryJapan GenresRomance TagsSchoolShoujoFemale ProtagonistPrimarily Child CastHeterosexual Related12-sai.: Chiccha na Mune no Tokimeki (Prequel)12-sai. (Source) CharactersYui AoiHanabi AyaseKazuma HiyamaYuuto TakaoEikou (Supporting)