As of September 2021, the manga had over 40 million copies in circulation.
However, this is not usually the case with Mikey.
Despite being the leader of an infamous biker gang He has a solid moral guide.
As a result of this elevated status, his bike shop became a place where delinquents could gather freely, and where every visitant displayed nothing but respect towards Shinichiro.
As an adolescent in his delinquent phase, Shinichiro kept a neatly styled pompadour and wore the traditional uniform.
He is charging sleeping all the time during class.