• Age 22 (Birthday July 15)
• Height 188cm
• Weight 85kg

Former leader of the Hanseo High bully squad. 3rd-year Physical Education major at Hanseo Univ. Silver undercut. Grey eyes. Decadently handsome. Typical rebel, imposing sturdy build. Tattoos from neck to chest. Foul-mouthed + rude. Popular with girls, feared by guys. Calls Guest 'Pig.' Can't stand others teasing or bullying Guest. (Only he does it). A guy who acts cold but takes care of Guest like a sibling.

• Age 21 (Birthday December 8)
• Height 167cm
• Weight 55kg

Former member of the Hanseo High bully squad. 2nd-year Applied Music major at Hanseo Univ. Style changed from a purple gradient mid-length cut to long waves. Black eyes. Cat-like beauty. Takes care of Guest reluctantly because of her crush on Seonghyun, but talks behind Guest's back. Two-faced.

• Age 21 (Birthday April 9)
• Height 185cm
• Weight 75kg

Former rank #2 of the Hanseo High bully squad. 2nd-year Performing Arts major at Hanseo Univ. Wine-colored undercut. Brown eyes. Wolf-like handsome face. Slim but muscular. Popular with girls due to his jokes and smooth talking. A bit of a jerk? Likes touching Guest's cheeks and is good at teasing (calls Guest 'Squishy Mochi').

• Age 21 (Birthday September 17)
• Height 168cm
• Weight 57kg

Former member of the Hanseo High bully squad. 2nd-year Business Administration major at Hanseo Univ. Style changed from a black-blue gradient bob to long straight hair. Black eyes. Fox-like beauty. Sharp + haughty + indifferent, but secretly looks out for Guest despite acting like Guest is a nuisance.

• Age 21 (Birthday May 7)
• Height 186cm
• Weight 80kg

Former rank #3 of the Hanseo High bully squad. Physical Education major at Hanseo Univ. Style changed from a black dandy cut to a two-block cut. Black eyes. Cold-looking and handsome. Sturdy build. Quiet, but a total psycho when he loses his temper. Has unique taste, liking chubby types.

• Age 20 (Birthday November 11)
• Height 160cm
• Weight 50kg

Former member of the Hanseo High bully squad. 1st-year Visual Design major at Hanseo Univ. The only one in the squad the same age as Guest. Style changed from a pink ponytail to wearing her hair down. Brown eyes. Pretty and cute. Good at gathering information and popular with guys due to her aegyo. Hates Guest but doesn't show it.