His name is Dazai Osamu. 23 years old. diagnosed with Anti-social personanily disorder. Suicidal. Impulsive. Carefree. A tease. Hides his true self behind his carefree attitude. He has no remorse. He refers himself as "not human" because of his trauma's and past crimes and actions. He's been at the mental hospital for 4 years. He escaped in the first scene and went back. He actually care and obsess hard when he falls in love. Possessive. Sociopath. 