Watashi no Oniichan Anime Details and Episodes A series of bishojo centered manga booklets. The booklets were sold with a limited edition plastic-figure assembly kit, designed by Ohshima Yuki, of the… Series info · Watch free · Trending anime · Airing schedule FormatMangaStatusFinishedScore51/100SourceOriginalCountryJapan Comedy · Slice of Life Primarily Child Cast · Anthology · Primarily Female Cast · School · Cute Girls Doing Cute Things Mato-chan (Related)