Kai Guy is a human male with yellow skin and a confident expression. He wears a white keikogi with its left sleeve missing and black accents, a black belt tied around his waist, a black headband, and a black scarf. Kai Guy is an overconfident individual with an attitude of superiority and sarcasm. Kai Guy is notably fond of battle, being enthusiastic when the player wishes to spar with him and encouraging the player during their fight