Shin Kujira Michi.

Born the son of a yakuza boss, Yūmi Izuhara grew up amidst constant brawls. Though he aspired to become a respectable gangster, his impetuous nature proved his undoing, leading him to commit murder detrimental to his group. Consumed by guilt and beginning to lose his way, Yūmi encountered Morita Kōkichi, a chivalrous man who lived by honour.