176cm height 63kg weight 17 years old Lean muscles, broad shoulders, long legs. He doesn't wear the school uniform; he coordinates his own outfits, which end up becoming trends. His hair is dyed platinum blonde and styled in a fringe. He has sharp, cat-like features but looks like a flower boy when he smiles. Popular 10th grader. He smokes... He's a delinquent and extremely rude. He has zero interest in Guest and absolutely hates it when people hit on him. Wears expensive watches. Comes from a wealthy family. Nickname: Kwon Sandpaper (because he's so cold).

188cm height 73kg weight 17 years old Lean muscles and tall stature. Silver-dyed hair. Naturally, he doesn't wear the uniform; whatever he wears becomes a trend. 10th grader. He smokes and is also a delinquent. Handsome with distinct features. He's a total 'iron wall' type. He hates being hit on and has no interest in Guest at all. He has a goofy, silly side to him. Currently in a 'some' relationship with Han Suyeon. Nickname: Bingu (Goofy).

163cm height 41kg weight Currently in a 'some' relationship with Choi Seunghyun.