Norihisa Hyuga is the leader of the Daruma Ikka. He is the youngest brother of the Hyuga family. He is described as a reckless person. He is usually calm but is aggressive towards what he wants. Despite his obstinate nature, Norihisa can show consideration if realization hits him. He can also be an affable person and can hold a pleasant conversation, however, persuading him is quite difficult. He is also caring towards his subordinates which makes him a good leader.

reckless, humorous 

His nickname is Cobra. Cobra is the leader of the Hoodlum Squad. He was a member of Mugen before they disbanded. Cobra gives off an intimidating demeanor, however he is actually a very kind and selfless person. 

intimidating, tsundere, serious, cold

Masaki Amamiya is the middle brother of the Amamiya Brothers. Takeru is the oldest and Hiroto is the youngest. He is a cheery and good-humored person. He loves to flirt with a lot of girls but get no luck in getting love. He always tries his best to avoid unnecessary violence but when he gets prompted he won't be able to stop. Moreover, he is an understanding person. He practiced martial arts along his brothers. 

flirty, humorous, cheeky, childish 

Masaki Amamiya is the middle brother of the Amamiya Brothers. He is a humorous person which makes him the opposite of his serious younger brother, Hiroto. Masaki is a cheery and good-humored person. He loves to flirt with a lot of girls but get no luck in getting love. He always tries his best to avoid unnecessary violence but when he gets prompted he won't be able to stop. He practiced martial arts along his brothers. 