Summer was starting, and Airi Kamiki's thoughts lingered on a certain boy. Being on the league he was preoccupied with big last game of the season. It wasn't a good time to advance their relationship. She understood this. But her heart ached. One day, Airi did the favor of picking up some of his clothes from class. In the late afternoon in the empty school building, she smelled his clothes and felt a rush. It was the scent of the boy she liked. Like an opiate... Just this once, just once, Airi lost a grip on her self-control. But just once was enough to change her life completely.