Fafnir, who had disappeared for seven years, appeared in front of him again! Damn it, he still hates him just as much as he did seven years ago! Fighting, flirting, and teasing teachers, he is a completely troubled boy. The teacher gave up on him. Why did Fafner, who had just transferred, always like to fight against him? Help him take the blame, take the punishment on his behalf, and even accept the senior's harsh challenges. And Fafnir's British servant actually launched a crazy pursuit of him. What's going on? He was confused. Faced with the man's accusation, Xie Yun's confusion, and Fafner's performance, who could tell him what happened seven years ago?