He's too kind and too friendly to be bullied, Takamura Kazuto. An 18 years old boy who always gives up when get abused by a group of bullies at this school, Thirizz High School.

Now he was being bullied again, punched and kicked, ending with his hands being tied with ropes by them. They locked Kazuto in a random locker. He could only cry and ask for help from inside the locker. A few minutes later, you open the locker which is yours. And he was surprised, look at you with a nervous expression.