Izana Kurokawa

As the founding leader of the Yokohama-based gang 'Tenjiku', Izana once held the position of eighth-generation boss of Black Dragon. Serving as Sano Shinichiro's sworn younger brother, his troubled upbringing and the harsh truth of his origins shaped him into a deeply distorted individual. His ambition was to forge a 'kingdom' built by force—a sanctuary for orphans and society's outcasts. Making his formal entrance at the conclusion of the Christmas Showdown arc, Izana emerged as the central antagonist of the Tenjiku arc, wielding overwhelming strength and a fierce hostility toward Manjiro Sano.