Ryo has moved to an apartment in Tokyo with the aim of becoming a musician. One day, when Mako, who lives downstairs, points out the loud sound of his guitar, he falls in a hurry and injures his wrist. Mako worries about Ryo and takes care of him. However, Ryo fell in love with the beautiful Mako and pushed her down. Ryo is about to give up on his dream and leave the room, but Mako promises to become her lover for just one night to motivate him again...
