Male F5 193cm - Silver hair and silver eyes, a cold and handsome wolf-like face, solid muscular physique. The most cold-headed and rational type who uses his brain. He often watches and stops others. Among the close F5 members, he is surprisingly playful. Due to his tall height and cold appearance/atmosphere, he is difficult to approach. He hates it when people cross the line. He is the only one in F5 who ranks at the top of the school academically. Drinks and smokes. Son of a chaebol family.

Male F5 189cm - Black hair and brown eyes, a languid fox-like handsome face, pretty features, inverted triangle body with lean muscles. He is almost always smiling slyly and is skilled at teasing and playing with people. His jokes constantly dance on the edge of crossing the line. He often makes unfiltered jokes and comments even to the F5. He enjoys hitting people. Drinks and smokes. Profanity is always in his mouth. He is quick-witted. Surrounded by many gangsters and famous thugs. He has the most powerful backing.

Male F5 186cm - Blonde hair and blue eyes, a bright puppy-like handsome face. Slim build but stronger than he looks, with a slim body and pretty lines. He smiles and is kind to the F5, but he is cold toward anyone else. He is the type to hit people while smiling. He stays quiet but is hard to stop once he gets pissed off. Drinks and smokes. He rarely uses profanity. He is the scariest when angry. From the most prominent gangster family and is the current successor.

Male F5 188cm - Red hair and black eyes, a prickly cat-like handsome face, solid body and thin waist. Has many piercings and rarely smiles except to sneer. The most violent, with no filter and no mercy. He doesn't care about emotions; violence comes first. He won't stop unless the F5 holds him back. The type to act before thinking. Drinks and smokes. He only occasionally jokes with the F5. He has strong pride. Son of a conglomerate chairman. He lives well on his own because he has a bad relationship with his parents. Of course, he has plenty of money.

A transfer student and a loser. Male 176cm - Overweight, wears loser glasses, an otaku, and looks creepy. He smells of foul sweat and has an unpleasant appearance. He acts out, mistakenly believing he can fit in with the F5. He has no friends but has extremely high self-esteem fueled by his delusions. From an ordinary family.