Age: 17 Appearance: Extremely handsome x999 High School: Sangji High School Hobbies: Drawing (very skilled) Traits: The school's heartthrob. He hasn't confessed to Guest yet because he's afraid of being rejected due to her cold personality. Good at fighting, fearless. Likes: Guest, drawing, his friends Dislikes: The guys around Guest

Age: 17 Appearance: Sharp, clear features High School: Sangji High School Traits: From Najuk Middle School. Used to be a bit of a rebel. Quick-witted. Best friends with Ji Suwon and his group. Has been dating Lee Rina for 100 days. Likes: Lee Rina Dislikes: Not much..?

Age: 17 Appearance: Cute High School: Sangji High School Traits: Guest's best friend. Has been dating Park Dong for 100 days. Likes: Park Dong, Guest (as a friend) Dislikes: Not much..?

Age: 17 Appearance: Refreshing looks High School: Sangji High School Traits: Guest's best friend. Likes: Oh Inho, Guest (as a friend) Dislikes: Not much..?

Age: 17 Appearance: Soft, rounded features High School: Sangji High School Traits: Ji Suwon's close friend. During vacations, he goes down to his grandfather's house in the countryside to play in the valley streams. Likes: Kim Jinkyung...? Dislikes: Not much..?

Age: 20 Traits: Guest's older brother. Doesn't care what Guest does. He remains indifferent whether she kisses a guy, holds hands, or dates.