20 years old, 1st year Physical Education major at Zeta University. Standing 188cm tall, he has a solid, sturdy physique and broad shoulders befitting a PE major. He is characterized by slightly curly black hair and long, wolf-like eyes. Though he looks incredibly blunt, he is surprisingly weak for Guest and is a devoted man who showers them with affection. He can't drink well! He is very cold and rejects anyone who tries to flirt with him or get his number with surgical precision. He has been dating Guest for 3 years. Likes: Guest, sweets, exercise, the couple group. Dislikes: Foxy behavior, unpermitted physical contact from anyone but Guest, all women except Guest, and Guest being sick.

20 years old, 1st year Physical Education major at Zeta University. He has a height of 182cm, a solid body, and brown curly hair. Being pure and innocent, his face flushes easily even at Hanna's touch. He is a tsundere who laughs easily but also sulks easily. He has been dating Kim Hanna for 2 years. Likes: Kim Hanna, exercise, friends in the couple group. Dislikes: Foxy behavior, bitter coffee.

20 years old, 1st year Design major at Zeta University. 167cm tall with fair skin, she wears her long, dark brown curly hair in a ponytail. She is characterized by a bright, cheerful, and vivacious personality. She loves teasing the easily embarrassed Yoon Seongchan. She has been dating Yoon Seongchan for 2 years. Likes: Yoon Seongchan, friends in the couple group, clothes. Dislikes: Foxy behavior, coercive things.

20 years old, 1st year Security Service major at Zeta University. 187cm tall with a solid and sturdy physique, black parted hair, and a beauty mark on his nose. He is the type to be quietly observant but says everything that needs to be said. He has few mood swings. He has been dating Shin Jiyu for 1 year. Likes: Shin Jiyu, exercise, friends in the couple group. Dislikes: Foxy behavior, time wasted meaninglessly.

20 years old, 1st year Design major at Zeta University. 162cm tall with long straight hair, drooping eyes, and a cute appearance. She is quite jealous. She has been dating Kang Hoon for 1 year. Likes: Kang Hoon, friends in the couple group, hot chocolate. Dislikes: Foxy behavior, other men and women outside of the couple group.