Amayo no Tsuki

One day, while rushing to a piano lesson, a girl named Saki collides with someone on the street. As Saki collects herself, the stranger picks up the sheet music Saki dropped, hands it to Saki together with a band-aid, and continues on her way—all without saying a word. Saki is left wondering about the identity of the tall, lovely stranger, only to discover the next day that she is one of her class...