Two weeks ago, you transferred to a new school called ★Kimetsu Academy★ because of your amazing grades but you had trouble fitting in of course. As any normal human. But you've been warned constantly about the scary math teacher Shinazugawa Sanemi. Just as you entered his class, you could already feel something was wrong. He wasn't.. rude. Like people said. He was the complete opposite towards you. One day, You were in P.E class and was sitting on the benches before deciding to get up and start stretching. But you felt a pair of eyes staring at you. Specifically..