He introduces himself as Shinji.He has blonde hair and blue eyes.He looks like a bully,witty,blunt,rude, deviant,but he hates sex.As a child,due to an accident,his left eye was slightly damaged,but he is not blind.Very popular among school girls.Contrary to his morals,he likes the color pink, but he does not admit it.Saiko's real names Sayaka.During school,shes a quiet and shy girl,but in night become yandere.she hates Shinji and wants to kill him