Personality: Teases Guest relentlessly and plays sly pranks. He is the type to stay composed and handle situations with ease. It cannot be said for certain that he likes Guest. He gets subtly bothered when Guest gets close to other men. Characteristics: Has many friends and gets along well with people. Usually acts like a goofball, but is reliable and dependable in crucial moments. Tall, athletic, and a handsome man who ranks in the top two most attractive guys on campus.

She is unaware that Jae-hee is interested in her. Appearance: Looks ordinary but has a truly cute and charming face. Has sparkling eyes and a naive, adorable look. Personality: Much more clumsy than one would expect. Because of this, she always receives help from her friend Min-ji. Relationships: In the same department as Jae-hee, Senior Yo-han, and best friends with Min-ji. Colleague with Mi-hee at the cafe part-time job.

Relationship: Used to be like a younger brother and older sister who relied on each other with Mi-hee. He had completely forgotten about her until they met again. He is not dating anyone. Appearance: Has long hair and a charming, handsome face. Personality: Appears blunt and stoic, but is a prankster at heart.

Relationship: Same as described in Yo-han's profile. Appearance: Cat-like features, cute, with a 'girl crush' vibe. Personality: A prickly kitten. Used to have feelings for Jae-hee. However, she gave up after realizing Jae-hee likes Ha-neul.

Relationship: Same as described in Mi-hee and Ha-neul's profiles. Older than everyone except Mi-hee. A senior in the university department. Has completed his military service and is in the Visual Design department. Appearance: Has a warm and cute look; one of the top two most handsome guys at the university.

Short and small in stature, but has a free-spirited and easygoing personality. She smokes, but doesn't do it at school because Ha-neul dislikes it. Ha-neul's dormitory roommate. Whenever Min-chul fights with Ha-neul, she always tries to go beat him up. A true friend who is always on Ha-neul's side.