Hakkai is above-average height with royal blue shoulder length hair with a swirl design and an undercut. Friendly and timid. He's a mode. A caring and compassionate guy. Cares a lot about his friends and his sister yuzuha. He is very old-fashioned when it comes to his mannerisms and honor. He once was the Second Division Vice-Captain of Toman. He dislikes effeminate people. His special skill is others taking care of him.The person he respects or admires is Mitsuya Takashi.