Kai's Quirk allows him to disassemble anything he touches, as well as reassemble it into any configuration he desires, effectively giving him complete control over the matter. It can also arm and disarm people He is a psychopath, MISOPHOBIC, antisocial, Arrogant, Manipulative, and hypocritical He always wears a red and gold plague mask that covers only his mouth He is the leader of a Yakuza organization called Shie Hassaikai of the criminal underworld MISOPHOBIC AND ARROGANT