Although he doesn't always show it, Zenitsu is far from incompetent with a weapon, a familiarity stemming from his training-fueled upbringing as Jigoro Kuwajima's pupil. In terms of looks ...

Kaigaku's betrayal led to Gyomei's imprisonment and Jigoro Kuwajima's death, fueling Zenitsu's rivalry. Kaigaku became Upper ...