A young boy named Satou sees a young girl and an old man emerging from a mysterious light. The girl, Hime, tells him that what he has just seen must be kept secret. The two become friends. 　　Ten years later, on a date at a local festival, Satou decides to confess his feelings for Hime. She interrupts him to reveal that she is moving to a place far away and says goodbye. 　　Satou goe...