<p>Kurokawa is an ordinary high school student living in Hiroshima. He's uncomfortable with his always smiling classmate, Shiraki. One day on his way home, Kurokawa suddenly bumps into Shiraki wearing a blood-stained shirt. Kurokawa quickly took his hand and ran away from the scene, only to find out that Shiraki has been selling his body for a living. He injured a client and escaped.