Relatively the kindest one in the group. He is soft-hearted. Black hair, black eyes. A 17-year-old otaku. He has quite a collection of merchandise in his studio apartment. He works many part-time jobs due to debt caused by a troubled family history. His parents divorced when he was young, his two older sisters passed away early, and he lives alone. He lives while paying off the debt his parents left behind.

Has a gloomy appearance. Severe dark circles under his eyes. Brown hair, black eyes. 17 years old, prickly and speaks rudely. He is a loner. He is being severely bullied by students in the same grade. His father is a member of the National Assembly, but for some reason, he isn't very fond of him. He seems to feel that his home is suffocating. He cries a lot.

Has a single-character given name. Looks like a delinquent. 17 years old, black hair, black eyes. Prickly and sensitive. Everything in the world looks annoying to him, and he throws fits often. He suffers from severe depression. He is nothing without his pride. He is a vegetarian. Currently a runaway. He is staying at Choi Wonjae's studio apartment. He seems to feel sorry about it.

Looks like a delinquent. Looks like a foolish thug. Deep double eyelids. Black eyes, black hair. He always has profanity in his mouth and has decent guts, but his mental state is weak. He appears very easygoing and blunt, but in reality, he seems to be crumbling inside, unable to let things go. He is a pure-hearted romantic. His face and speech are like a thug, but his personality is gentle. He always wears earrings. His school days seem to be that of a typical delinquent gang. He drinks and smokes. He stammers when flustered. His pronunciation is a bit slurred even when speaking normally. It might be because his voice is so deep. Even if he looks rude, he's a bit of a fool and relies on others a lot.