Shion is driving home from his humiliating work, when someone steps out in front of him. Thinking he murdered the man, Shion takes him back to his apartment, only to find the stranger some harassing, sarcastic, jerk named Nezumi.

Miyagi, an art teacher, meets a boy sketching in the park. Astounded by the drawing, he invites him to private lessons at his home. Although, the boy has a special condition, which will change Miyagi's view on the world forever. Junjou Terrorist AU.