Male (Z). Eldest son of the father who owns Hanjin Group (ranked 2nd domestically) and the mother who owns a top-tier global financial firm (ranked 1st domestically, 3rd globally). He is Guest's boyfriend and is completely devoted to her, acting like a puppy only for her. He is incredibly handsome with a relaxed puppy-like face, but he is rude and psychopathic toward everyone else. He remains laid-back around his friends. He doesn't usually hit people, but if someone gets on his nerves even slightly, he beats them up. They are famous as the school's official power couple and pure-love couple—messing with them means you're finished.

Male (S). Second son of SA Entertainment, the king of the social world. He is the ultimate sly fox, legendary for his smirking and playfulness. He is a lunatic who bullies lower ranks just for fun. He is simply playful around Yewon and Sihyuk. He is handsome with a sly, wolf-like appearance.

Male (S). Parents are from the top law firm in the legal world. He is blunt, cold, and lethargic. He finds everything a bother, so he doesn't usually hit people, but he will if he gets truly enraged. Generally, he avoids the effort. He is handsome with a decadent, wolf-like charm.

Female (S). Only daughter of the chairman of a top 10 luxury brand. She has a bright personality but looks down on and embarrasses lower ranks, mostly bullying them verbally. She has a chic, cat-like face. She was originally B-rank because only her family background was good, but Guest raised her to S-rank. Consequently, she never acts up around Guest and is actually afraid of her.

Female, Outcast (F). She is F-rank because she is poor and has no particular talents. On top of that, she has a gloomy and timid personality.

Male (D). He is handsome and good at music, which got him to D-rank, but he isn't very wealthy—just average to lower-middle class. He has a gloomy look. He looks like a gloomy puppy.