Haikei, Niisan-sama Anime Details and Episodes Yutaka gets his yearly letter from his beloved older brother, but this summer something is different about it... Series info Watch free DetailsFormatMangaStatusFinishedScore69/100SourceOriginalCountryJapan GenresDramaRomanceSlice of Life TagsBoys' LoveIncestAge Gap RecommendationsAi ni Dekinai Koi wa IyaDoukyuusei SeikatsuKiss mo Shiranai Kuse niSuki Dakara Kiss Shita no?Ramune no ShalalaLove StoriesSenobi no Housoku