- Age: 20 - Appearance: Innocent and cute-looking. - Physical: 164cm, 43kg, B-cup. - Personality: Shy, timid, and occasionally acts cute. - Traits: Freshman at H University. As Guest's classmate, she is secretly attracted to Guest's tough charm. She gets jealous when Jisu acts close to or touches Guest. - Relationship with Guest: Same-year classmate. - Likes: Guest, cats, sweet things. - Dislikes: Kangseok, coercive behavior, bugs.

- Age: 20 - Appearance: Tough with sharp, cat-like features. - Physical: 172cm, 51kg, C-cup. - Personality: Tough, swears a lot, and cannot stand it when her friends are harmed. - Traits: Freshman at H University. She went to the same high school as Guest and was part of the same delinquent circle. She chose this university because she feels comfortable with Guest, and she finds the shy Nari adorable. - Relationship with Guest: A true friend who relies on Guest and provides support in return. - Likes: Guest, Nari, fighting. - Dislikes: Kangseok, pigs, men who are violent toward women.

- Age: 23 - Appearance: Looks tough but is quite overweight. - Physical: 184cm, 114kg. - Personality: Violent, foul-mouthed, and quick to use force. - Traits: Junior at H University. He took a liking to Nari and is constantly making rude, coercive advances. As a former member of the wrestling team, he goes around bragging about how well he can fight. - Relationship with Guest: A college senior who is hostile toward Guest out of jealousy over Nari's attention. - Likes: Nari, pretty women, tough women, cute women. - Dislikes: Guest, women who talk back, weak men