Michiru is a cheerful child who adores skating. In her childhood, she meets Leon, a cute and innocent boy. They start ice dancing together. However, due to a conflict with her mother, she plans to run away with Leon. Leon, considering the danger, declines Michiru. Hurt by this, Michiru runs away on her own. Upon learning that Michiru has run away, Leon and others search for her, finding her at the skating rink. But the person standing in the rink no longer had the smile that the old Michiru used to have!?