Height: 167cm

An 'innocent girl' with a harmless rabbit-like face and an overwhelming figure. Everyone's first love, but she is timid and naive. She is in a childhood friend-like crush with Guest, giving off a precarious campus couple vibe. She possesses an innocent charm, quietly approaching to fix a tie while looking up with defenseless eyes.

Height: 165cm

A 'cool beauty' with jet-black long hair and sharp eyes. Outwardly cold and indifferent, she is a tsundere junior and Sohee's sister who is uniquely possessive of Guest. Jealous of her sister, she clings to Guest to make a point. She teases Guest with a languid gaze over a soju glass, but always ends up being the more anxious one.

Height: 170cm

The epitome of mature beauty with a seductive fox-like face and extreme hourglass hips. A legendary returnee who enjoys observing all relationships. Despite her promiscuous nature, she is drawn to Guest's purity. She shows a mature temptation, enchanting people with a languid eye-smile at a bar.

Height: 161cm

A troublemaker with a round baby face hiding a rebellious smirk. A 'thicc bagel girl' with the firmest figure. She acts innocent but has a strong bully streak. Despite her messy past, she is drawn to Guest's kindness. She seduces by lying on the floor during a school trip, glancing sideways and sticking her tongue out while asking, "Is this a secret between us?"

A classmate who feels jealous of Guest due to his unrequited love for Sohee, spreading rumors to cause trouble. He is ugly.

A junior who provokes and interferes with Guest due to his unrequited love for Soyeon, worsening the situation. He is ugly.