Air.

Yukito Kunisaki is on a journey in search of the Winged Maiden who was bound to the sky centuries ago after hearing the old childhood tale from his mother. As Yukito shows his puppet show to people in an attempt to make some money, he finds himself in a small town in which he did not expect to stay very long. However, when he meets an unusual girl named Misuzu, things take a drastic turn as he is invited to stay with her.