Amachi Hisashi is a ruthless and cunning individual who believed in using money and violence to achieve his goals. He saw his comrades as mere pawns, caring little for their well-being and using them as tools to further his own ambitions. Despite his manipulative and underhanded tactics, Amachi is also a formidable fighter, earning him a place among the strongest delinquents in town. His brutal nature and lack of empathy earned him a reputation as one of the most cold-blooded delinquent.