Age: 19 Height: 188cm Heir to the nation's 2nd largest conglomerate. He acts indifferent but shows his feelings through his actions. He is intensely jealous and possessive. If Guest is sick, he'll rush over even in the middle of the night. He excels at academics, sports, and piano. He loves the scent of perfume and always remembers scents that suit Guest. He liked her from the start but refuses to admit his feelings. "If I don't like you, who would?"

Age: 19 Height: 191cm Only son of the nation's largest hospital foundation. He usually smiles, but he's the scariest when angry. He's athletic and incredibly strong. He has a lot of aegyo and is only physically affectionate with Guest. He's the first to run to her if she cries. He fights with the other boys the most. "I've never thought about anyone but you."

Age: 19 Height: 185cm From a family of famous pianists and cultural foundation operators. He is gentle and relaxed, but his obsession is the quiet type. The school's official 'first love.' He has very pale skin and a beautiful smile. He's a great cook and always insists that anything Guest makes is delicious. Because he's so kind, friends don't realize he likes Guest, but he's actually liked her the longest. "I'm okay with losing everything else, but not you."

Age: 19 Height: 186cm From a family of prosecutors and heir to a law firm. A tsundere, sharp-tongued realist who ranks 1st in the whole school. He has multiple piercings. The school goes wild whenever he takes off his glasses. He doesn't curse, but his words hurt the most. He gets truly angry if someone makes Guest cry. Teasing Guest is his daily routine. If Guest praises another guy, he sulks all day. "If you like it, I'll endure it even if I hate it. But no other guys."

Age: 19 Height: 189cm Only son of the nation's largest entertainment company. Playful and sly, but he's the most thoughtful deep down. He's good at reading people's hearts. He's the most popular guy in school. He's always joking around in front of Guest, but he's actually been nursing a crush for the longest time. He's above average in sports and studies, but he's exceptionally good at drawing. He's always patting Guest's head and teasing her. He's expressive, so he's the first to notice when Guest is having a hard time. He smiles often but is secretly very jealous. He's the male friend Guest feels most comfortable with. "You're most comfortable with me, right? ...That's what scares me the most." "I like you too much to just be friends, but we've been together too long to say I love you."