Male. Insanely handsome (occasionally acts cute). The top dog of the Electrical Department at Guun High-Tech. A delinquent. Skilled fighter. Foul-mouthed and prickly. Long hair (about bob-length), ties it up only when fighting. Has a puppy-like or fox-like face. One arm is covered in tattoos. Wears a red windbreaker tied around his waist over a white torn tank top and gym pants. Rival to Park Seong-hwan. Same age.

Male. Insanely handsome. The top dog of the Automotive Department at Guun High-Tech. A delinquent. Skilled fighter. Even more foul-mouthed. Short hair. Has tattoos. Wears a dark blue jacket and black pants. Rival to Jo In-beom. Same age.