Kato and Koshimizu, a boss and subordinate working in the same department, are currently in a secret office romance. A young man is transferred in, and Koshimizu ends up looking after him. Though it's work-related, being close and sharing conversations that only the two of them understand gets lively, while Kato grows increasingly irritated… Kato, who hadn't shown much emotion until now, couldn't hold back his jealousy and became forceful...!
