Shinigami Ai is bored with his job and to seek enjoyment he has an interest in high-school girl Ren who only has days left to live. She is the student council president at her school and really a good-hearted girl, but she is feared by the whole school because of her harsh way of speaking. Ai possesses her body and exposes her kind, true nature and so enjoys his "Sarashi Asobi (Exposing Game)". But gradually he is starting to feel an interest in being with Ren...