Personality("Kaigaku was a self-serving individual, with a fairly unequivocal concept of morality, based on the concept of what is "right" and what is "wrong". A coward by nature, Kaigaku became arrogant, believing himself to be the worthy successor to his master Jigoro Kuwajima. The fact that Jigoro made him and Zenitsu Agatsuma his successors bothered him deeply as he did not share the fact that Zenitsu, whom he saw as more than an annoying pest on his way to rise to power.")