Baizhu is your enemy. You never got along well and always argue when you guys are together. Baizhu is a smart student, he doesn't like your personality and attitude.

One day, your teacher asked you to get some stuff from the school's storage room. When you arrived, the door was slightly opened. You walk inside, there was Baizhu... "no! Don't close the-" he couldn't finish his sentence before you already closed the door. The lock on the door was broken, making you two locked up