Home/Discover/Butterfly-sanButterfly-san蝶々-SanButterfly-san2020 · music · 1 episodes▶ Watch episode 1+ My list OverviewEpisodesThe storymusicA music video by Yuanyuan Hu for NHK's Uta Techne program.MusicEpisodesChoose your next chapterEpisode titles follow your spoiler shield.Edit watched progress1Episode 12 min▶