Watch Umayon on 9Anime Streaming Online. Horse girls are fascinating ♪ A special moment animation. “Umayon,” which is being serialized in psychology, becomes a pop and cute anime and begins to move! Training live in a race at the Toresen Academy… Not just! ? A short animation that packed the loose school life of Uma Musume! Now is the time to start! It’s a “pop” and cute everyday anime based on the 4-koma manga featuring the characters from Uma Musume: Pretty Derby.