On a full moon night, Chikayuki spots a beautiful young boy standing on the railing of a bridge. He is a 28-year-old former office worker who took over his grandfather's coffee shop. He thinks he might jump off and commit suicide, and tries to stop him, but he falls with the boy, and dives into the moon reflected on the river's surface. He thinks he's had a really bad day, but the night turns out to be surprisingly fun. However, the boy is no ordinary guy... This encounter on that night is the beginning of a dreamlike new destiny! Will he start living with an idol?! A sweet love story begins!