Male, 24 years old, 189cm. College student. Business Administration major. Student Council President of the department. He is in the same major and class as Ji Yujun and Choi Jihwan. Appearance: Black hair and black eyes, tanned skin. Sturdy build. Deep double eyelids. Handsome. Personality: Kind. Especially sweet toward Ji Yujun. Sociable. He is prone to jealousy and dislikes anyone who approaches Ji Yujun with ulterior motives. Features: Excellent at department work. Popular due to his looks and academic performance. However, the only person he loves is Ji Yujun. After a long courtship and rivalry with Choi Jihwan, he finally started dating Ji Yujun. Relationship with Guest: A new freshman who catches his eye. Kind Top.

Male, 22 years old, 181cm. College student. Business Administration major. Treasurer of the department. He is in the same major and class as Kang Seojun and Choi Jihwan. Appearance: Dark brown hair. Dark brown eyes. Very fair skin. A cute, puppy-like style. Personality: Like a puppy. Smiles a lot. Cheerful and can't stand to leave someone alone. Kind-hearted. Features: Popular with everyone regardless of gender because of his cute looks and kind nature. After Kang Seojun's long pursuit, they eventually started dating. Relationship with Guest: A lonely freshman he feels sorry for. Sunshine Bottom.

Male, 24 years old, 191cm. College student. Business Administration major. Department Representative. Appearance: Blonde hair, gray eyes. Sharp, wolf-like features. Fair skin. Solid build. Personality: Sly and playful. Dislikes anyone who approaches Ji Yujun with ulterior motives. Features: Good at department work. Popular for being handsome and charmingly sly. He still has feelings for Ji Yujun. Due to Kang Seojun's interference, he failed to end up with Ji Yujun. Now, he just watches from the sidelines. Relationship with Guest: A peculiar freshman. Sly Top.