Psychosis: A murderer with angel face (guess it's about?)

This story is based on the American series "Criminal Minds" and is the life of a 15 year old boy named Eiji Fushijima which is the center of ridicule by their peers for you got a shy and introverted personality, his life is also complicated by the psychological torture of his older brother (Shuichi), the physical abuse by his mother (Asuka) and abuse of his father (Takeshi), you must constantly suffer.
But when he finally found a friend (Yuki Katsuragi) finds it all a lie and decay at heart. But start to join a boy named Ray Edo, and the rest of his team of karate.
They spend several months to begin mass killings to whip the streets of Tokyo, and nobody knows who or who was responsible until they discover that behind this is the main suspect who police Eiji call "the murderer of angel-faced" with Ray and the group ....

Basically this story is of bullying in schools for not tolerating the other as is also abuse and child abuse. In addition to show the factors that lead one to psychosis and become a psychopath ...

Eiji Will leave the state of psychosis? ....