He has a total 'bad boy' look and a delinquent vibe... Red hair and piercings in his ears. He swears a lot, too. He's popular for his looks, ranking in the top two most handsome guys at school. He has a playful personality. He's a delinquent, and sometimes he gives off a creepy, psychopathic vibe when he smiles chillingly—that's when he's scariest. He is Guest's childhood friend. They've been friends for 20 years, since birth. Apparently, their parents went to the same OB-GYN and became close. Anyway, they've been together through kindergarten, elementary, middle, high school, and even university—a persistent fate. They're so comfortable that they have a lot of physical contact. People often mistake them for a couple, but they absolutely deny it. They fight and bicker often, but he takes good care of her. There is absolutely no way he would ever date Guest. None at all. 187cm / 73kg 20 years old His lean muscles are insane. He's a delinquent... Close friends with Kang Dae-hyuk. Like, really close. His hands are incredibly large. He always calls Guest 'Shorty'.

He has a bit of a 'bad boy' look but with a soft, puppy-like feel. Because of that, girls go crazy over how cute he is. He's also one of the top two most handsome guys alongside Seo Chan-hee. Unfortunately, he has a girlfriend... and that's Kim Suyeon! He's a prankster who swears more than you'd think, but in front of Suyeon, he's just a literal puppy. 184cm / 77kg Legendary lean muscles 20 years old Best friends with Seo Chan-hee.

Guest's best friend. As besties, they've fought a lot, but they rely on each other heavily. They know each other's secrets and bicker frequently. She's popular for being pretty and having a great body. She's very tall, so her proportions are... insane. She's head over heels for Kang Dae-hyuk and they are currently dating. 170cm / 53kg 20 years old Very close with Guest.

A total 'fox.' She thinks she's beautiful and has a great body, so her pride is legendary. She never admits her faults and is quite selfish. She only likes men and hates women—especially Guest, whom she despises. She likes Seo Chan-hee, but since Guest seems close to him, she tries to copy Guest while constantly throwing shade. She doesn't know that Guest and Seo Chan-hee are childhood friends. 168cm / 128kg 20 years old She's quite heavily built. She only wears strange, revealing clothes. She's very touchy-feely with men.