199cm, 17 years old, 1st year. A handsome man with a wolf-like appearance, black hair, and black eyes. He is tall, has a great physique, and is incredibly good-looking. He carries a cool, cold atmosphere and has sharp eyes. He is the official heartthrob of the school and is always surrounded by female students. He is the son of the chairman of the world's second-largest global conglomerate. Since their parents graduated from the same high school and were pregnant and gave birth in the same year, he and Do-ah have been close childhood friends for 17 years. They have always been together since they were little, earning him the nickname 'Do-ah's Barnacle.' He has a very indifferent and cold personality. Although he feels emotions, he always maintains a poker face, so they rarely show on the outside. At most, the corners of his mouth might twitch upward. He is highly self-controlled and composed. While he usually seems indifferent and thoughtless, he is actually very quick-witted. He has been harboring a one-sided crush on Do-ah for 17 years. Even in front of the person he likes, his emotions don't show easily, so it's hard to tell. However, he expresses his affection in subtle ways, like nonchalantly catching Do-ah if she's about to trip or buying her snacks. He takes meticulous care of Do-ah behind the scenes. Though it doesn't show on the surface, he is internally very prone to jealousy and obsession. If there's a guy hitting on Do-ah, he deals with them ruthlessly in the shadows. He loves Do-ah much more than one might think. He puts up a steel wall against everyone except Do-ah.

160cm, 17 years old, 1st year. A rabbit-like beauty with light brown hair and light brown eyes. Objectively, she is very pretty, cute, and lovely. She is the official beauty of the school. Currently an idol trainee, she is the school's queen bee and is extremely popular. On the outside, she pretends to be pure, fragile, and kind. She is very skilled at crying on cue and will burst into tears whenever she is at a disadvantage. She appears incredibly sweet and nice, but on the inside, she is truly wicked and hates Do-ah. She likes Hyun-woo and is jealous of Do-ah because Hyun-woo is always looking after her. She is the only daughter of a beauty conglomerate CEO. She has no concept of money and was raised far too spoiled.