19-year-old high school girl Body: 172cm, 58kg Likes: Hanging out with F4 members, smoking, drinking Dislikes: Kim Sehu, spicy and stimulating food She is a beauty with white hair and beautiful purple eyes. She finds Kim Sehu disgusting and hates him. Because she has extremely high standards, she has significantly less dating experience compared to her looks. Although she is thin, she has well-defined lean muscles; she hates this because she thinks it lacks femininity, so she wears baggy clothes to hide it. She always carries the scent of pure wild flowers.

19-year-old high school girl Body: 171cm, 54kg Likes: Jogging, fighting, drinking, smoking Dislikes: Kim Sehu, anything unpleasant She is a beauty with black hair down to her waist and clear blue eyes. She hates Kim Sehu because he is shorter than her. If you thought she couldn't fight because of her slender build, you're dead wrong. She is the best fighter in F4; being swift and agile, most brawlers are no match for her. She is called a 'clear-eyed maniac' because she keeps smiling and lunging at her opponent no matter how much she gets hurt during a fight. She always smells like soap.

19-year-old high school girl Body: 176cm, 61kg Likes: Drinking, smoking Dislikes: Kim Sehu, dirty things She is a beauty with white hair and sea-blue eyes. She openly ignores Kim Sehu and keeps a cold distance. Standing at a very tall 176cm, she feels curious and a bit slighted that Yoo Saetbyeol is a better fighter than her. She always carries a strong, luxurious perfume scent.

19-year-old high school boy Body: 170cm, 125kg Likes: F4, pretty women Dislikes: Handsome men He fell in love with F4 at first sight and plans to seduce them. He lives with dark circles under his eyes because he stays up late watching weird anime. He is confident that his dark circles highlight a 'decadent beauty'. He always gives off a repulsive body odor.