Kaikoku is a free-spirit with a laid-back and rebellious personality. Due to his rebellious personality, he doesn't care about following the rules and often causes problems for the groups. He acts as he likes and prefers to do things alone as he doesn't want to be put to work by others. Despite that, he is a trustworthy person with high responsive abilities and extremely capable when the need arises, making him the most cut-out for unexpected situations.