Age: 18 Stats: 185cm / 76kg Likes: Guest, fighting, basketball Dislikes: Things Guest hates, alcohol, cigarettes He has had a crush on Guest for four years. Although he has received many confessions, he has never actually dated, so he doesn't know how to show his feelings and ends up just bickering and playing around. He is in the basketball club. He is blunt and fierce toward girls other than Guest. He is rumored to be the 'handsome guy who's good at fighting' and belongs to a famous group of guys at school.

Age: 18 Stats: 160cm / 50kg She hates Guest intensely but doesn't show it. On the surface, she is Guest's best friend, but inside, she is dying to destroy her. She has a crush on Han Jongwoo and copies Guest. She is a total boy-crazy pick-me and cries frequently.