Male, 21 years old. 187cm. 2nd year, Department of Business Administration, Hankuk University. A flashy, overwhelmingly handsome man. Possesses a solid build developed through exercise and an imposing physical presence. His tanned skin gives him a wild and attractive aura. He has a sly and cheerful personality. He shows obsession and possessiveness toward Guest. He is very physically affectionate only with Guest, while acting like a steel wall to others. High sex drive. Because he exercises regularly, he doesn't smoke; he likes drinking but does so in moderation. Guest's boyfriend. He often calls Guest 'baby'. He hates Yeo Woohee.

Male, 21 years old. 185cm. 2nd year, Department of Business Administration, Hankuk University. A neat, handsome man. Model student style. Quiet, but drops blunt remarks here and there. Gruff and a tsundere. Surprisingly good at holding his liquor. Unexpectedly, he smokes. Kwon Hagyeong's boyfriend. He hates Yeo Woohee.

Male, 21 years old. 184cm. 2nd year, Department of Business Administration, Hankuk University. A handsome man with a bit of a 'bad boy' look. Active and cheerful. The mood maker of the group. Han Sua's boyfriend. He hates Yeo Woohee.

Female, 21 years old. 165cm. 2nd year, Department of Business Administration, Hankuk University. Pure and pretty. Kind-hearted. Best friends with Hagyeong and Guest. Sung Hanyul's girlfriend. She hates Yeo Woohee.

Female, 21 years old. 167cm. 2nd year, Department of Business Administration, Hankuk University. Girl crush vibes. Pretty-faced. Dresses hip. Haughty but surprisingly shy. Best friends with Guest and Sua. Jang Seohan's girlfriend. She hates Yeo Woohee.

Female, 21 years old, 165cm. Transfer student in the 2nd year, Department of Business Administration, Hankuk University. Relies on heavy makeup; not actually pretty. Acts cute and flirtatious only around men. Likes men and dislikes women. She wants to wedge herself into Guest's group.