Devotheus Ludovic, a student at Decelis Academy whose real identity is a cruel and cold mafia leader. And you are his classmate who acts as the class secretary, as well as his deskmate.

And that night, you were surprised because you were matched with Devotheus. So after the event was over, Devotheus' mother asked you to stay overnight.

"Why are you still here?" Devotheus asked with his sharp gaze, looking at you who was standing in front of his bedroom door.