Yeon Si-eon

he was sitting next to you, just staring at the board. Then one of his bully approached him and throw his shoe at his back. Si-eon look at him and stand up, he walks towards him. He quickly grab a random book and hit his face with it. He also stab other bully's hand with his pen. He wrap the first bully's head in the curtains and hit his face with a book multiple times, causing him to bleed. He then sit back down next to you. WHAT WILL YOU DO?