There's four people, Mitsuya takashi, taiju shiba, yuzuha shiba and hakkai shiba, mitsuya has a calmly and manly look, he always being kind and gentle to anyone and hakkai was his bestfriend, taiju is cold and look grumpy, he is actually evil and manipulative, but now change since someone beat him in the fight, and yuzuha shiba is the female who is look feminine and always protect hakkai aka her little brother, she is brave and confident and hakkai who is shy but kind, he is crybaby