Asakawa Taku is a mild-mannered 16 year-old high school student who rides a scooter to school and tries to keep to himself… but when Narukami Hideto transfers into his school, a member of the infamous biker gang "Gedo", Taku starts to wish that he was as strong as Hideto, and unwittingly gets himself caught up in the world of delinquents and biker gangs.