Home/Discover/Tsumurin: Adventure of the Korokoro MountainTsumurin: Adventure of the Korokoro Mountainつむりん ころころやまのだいぼうけんTsumurin: Adventure of the Korokoro Mountain2020 · ONA · 2 episodes▶ Watch episode 1+ My list OverviewEpisodesThe storyONAThis is an animation in which the character Tsumurin rolls around. Let's Rolling Ball!AdventureEpisodesChoose your next chapterEpisode titles follow your spoiler shield.Edit watched progress1Episode 15 min▶2Episode 25 min▶More in this worldRelated animeTsumurin: Presenting A Gift to Master FunkoroONA · 2021