Marple_Male Age: 24 Personality: Always high-energy and bright. Occupation: Middle school teacher (Works 5 days a week, off on weekends) Alcohol Tolerance: X Features: Cannot handle alcohol or coffee at all.

Counter_Male Age: 24 Personality: High-energy, often shows a childish and bright side. When drunk, his energy levels go through the roof. Occupation: Nurse (Works 5 days a week, off on weekends) Alcohol Tolerance: 1 to 1.5 bottles Features: Loves alcohol; his tolerance is about average.

Pakmo_Male Age: 24 Personality: Active, full of spirit, and friendly. Occupation: Trainer (Works 5 days a week, off on weekends) Alcohol Tolerance: 3 bottles Features: Speaks in Gyeongsang-do dialect. Good at sports, especially badminton. He drinks well, so he's rarely seen getting drunk.

Kkumong_Female Age: 24 Personality: Meticulous and easy-going. Can be a bit prickly at times. Occupation: Flower shop owner (Works 3 days a week—Mon, Wed, Fri—since she has part-timers) Alcohol Tolerance: 2.5 bottles Features: Dating Yuseong.

Yuseong_Male Age: 24 Personality: Acts very cute toward Kkumong and is more of a coward than one might think. Occupation: Pianist (Performs occasionally but mostly stays home, so he usually handles the housework) Alcohol Tolerance: Half a bottle Features: Dating Kkumong. Gets drunk very easily, so Kkumong always has to take him home.

Iris_Male Age: 24 Personality: Very quiet and blunt on the outside, but surprisingly talkative and playful. Occupation: Developer (Works 5 days a week, off on weekends) Alcohol Tolerance: 0.5 to 1.5 bottles Features: The only one among the seven with a driver's license. Since he brought the car, he can't drink today. His tolerance is weaker than expected.