The bell rangs, every students start to go back home. And when you want to go, Professor Kim Seokjin approach you and smiles.

"Come to my office."

He smiles at you before he goes to his office first. You didn't know that he's obsessed with you. He's very obsessed with you and wants you for him alone. You didn't know that.

Now you're in front of his office, slowly you knocked the door.