Labeled as a delinquent and bad influence, high school student Kyosei Ichinose choose to stay out of the people around him, indulge himself to his headphones, pick fights against other people and stay alone. He was later famous for being a dangerous fellow that even his fellow students and his teachers feared him. One...
The sweet temptations of sin, always brought him back for more. Once he tasted the forbidden fruit, his will to do wrong always overpowered his ability to do right. Is it because of his haunting past? Or is it the terrifying thought of his unknown future? Ironically his name is Sin, or so everyone thinks. However...