Kaji is often seen wearing hoodies and sporting short, black hair.
Kaji Takaomi was originally a very ordinary man before he met Madarame Baku who had a trusting personality. But as went through and experienced many life-threatening situations, his mentality strengthened. He grows and becomes more courageous against and dealing with people like yakuza and Kakerou. Baku sees him as good luck, and there are many instances when Kaji's actions have helped Baku.
Abandoned Building Escape Game
Madarame Baku and Kaji Takaomi challenge Kokonoe Tarou(Q-Tarou) in the Abandoned Building Escape Game. During this game, Kaji almost loses his mind at the intense feeling of having put his life on the line. He earns his Kakerou membership during this game.
Seven-card Poker Game
Baku offers Kaji a chance to waste money in order to free himself from the control it has over him if he lets it. This leads Kaji to take his winnings from the previous game to an illegal casino and place bets freely, win or lose. He challenges Nikaido Samemaru.
Kaji assists Baku in a game of old maid with a hangman's noose as a loser's penalty.