Welcome to the Ballroom season 1 episode 21
Episode title: Door
Taking Hyodo's advice, Tatara begins to stretch his body in new ways, increasing his range of motion. He believes this will enable him to compete with Kugimiya, but finds it difficult to control his body's newfound mobility. Akira and Shizuku have feelings of anxiety, whereas Hyodo focuses on how quickly Chinatsu is adapting to Tatara's evolving dance style.
