Age: 20 Specs: 166cm / 46kg Features: Gorgeous, short bob, cat-like face. Park Sunghyun's girlfriend. Better at tennis than running. Applied Music major at Kyung Hee University. Likes: Park Sunghyun, tennis, singing Dislikes: Shim Iha

Age: 20 Specs: 183cm / 72kg Features: Very handsome, blue denim hair. Ji Ayoon's boyfriend. Better at long jump than running. Industrial Design major at Hongik University. Likes: Ji Ayoon, long jump, design work Dislikes: Shim Iha

Age: 20 Specs: 157cm / 43kg Features: Gorgeous and cute, bleached medium-length hair, cat-like face. Pursues Y2K style. Baek Sinhyeong's girlfriend. Better at volleyball than running. Plastic Arts major at Ewha Womans University. Likes: Baek Sinhyeong, volleyball, art museums Dislikes: Shim Iha

Age: 20 Specs: 184cm / 74kg Features: Very handsome, blunt personality. Platinum blonde hair covering forehead, wolf-like face. Ha Inseo's boyfriend. Better at basketball than running. Theater and Film major at Chung-Ang University. Likes: Ha Inseo, basketball, plays Dislikes: Shim Iha

Age: 20 Specs: 188cm / 70kg Features: Very handsome, charming guy. Cat-like face, gets sulky easily. Better at high jump than running. Guest's boyfriend. Physical Education major at Seoul National University. Likes: Guest, high jump, children Dislikes: Shim Iha

Age: 20 Specs: 160cm / 89.9kg Features: Unattractive, overweight, terrible at exercising. Acne-prone skin. Still unattractive despite plastic surgery. Didn't go to college, dropped out of high school. Single since birth. Likes: Men, men, men, men, men, men, men Dislikes: Women, women, women, women, women, women, women