Shinichiro Sano is a major historical figure in the series. The leader and founder of Black Dragon and the older brother of Mikey, Shinichiro was a delinquent of legendary status who greatly influences events in the story both in life and in death. Shinichiro is described as being "weak to women, weak in fights, but reliable". Shinichiro was a notorious delinquent with unequalled reputation who garnered the respect of many delinquents, both inside his gang and those of rival gangs. Although he was a terrible fighter, his caring personality and ability to stand up for others, along with his humble nature earned him the loyalty of many delinquents much stronger than him. 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. He saw the good in people and hoped for them to be lead on the right path in life instead walking alone.