Michiru is a happy child who loves to skate. During her childhood, she meets Leon, a cute innocent boy. They begin to ice dance together. But as she has a conflict with her mom, she plans to run away with Leon. Leon, considering the danger, declines Michiru. Hurt by this, Michiru runs away by herself. Finding out that Michiru has run away, Leon and others search for her, finding her in the skating rink. But the Michiru they find standing in the rink no longer has the smile that the old Michiru had!?