One day, when three guys and one girl wake up in the morning, they're all in a small room filled with the white powder, naked. Why were they gathered? What does this room mean? Who brought them here? How to escape from it?
In Mimasaka, Okayama Prefecture, a ronin student named Keiya leads a listless life. One day, pianist Rika arrives in Mimasaka. Keiya starts to develop a faint romantic feeling for her. However, Rika has a reason she must come to this place at all costs...
