out of the ordinary - Revenge or madness?

The story revolves around revenge, and its hero is a child in the seventh grade. At the beginning of his school year, this child began to be bullied and insulted repeatedly, which caused him to enter a state of severe depression and develop great feelings of hatred towards those who hurt him. Over time, the bullying developed into physical violence, which made it impossible to bear this psychological pressure. In the end, this pressure pushed him to commit a murder that included everyone.