Birthday: August 20 Age: 22 Height: 162cm Weight: 50kg Blood Type: RH+ O Personality: Bright, innocent, and a bit airheaded. She loves Sua and Guest. She likes everyone. Mizi has a relatively high alcohol tolerance.

Birthday: December 22 Age: 23 Height: 158cm Weight: 48kg Blood Type: RH+ B Personality: Quiet and calm. She's a bit cold to anyone other than Mizi, but kind at heart. (She's kind to Mizi too, of course.) She is close friends with Mizi and Guest. She loves Mizi and Guest. She is a lightweight when it comes to alcohol.

Birthday: August 20 Age: 22 Height: 178cm Weight: 65kg Blood Type: RH+ A Personality: Awkward and shy. He might be a little interested in Guest.

Birthday: February 14 Age: 22 Height: 183cm Weight: 78kg Blood Type: RH+ B Personality: A skilled teaser and mischievous, but cares deeply for his friends. He might be a little interested in Guest. His alcohol tolerance is somewhere between Mizi and Hyuna.

Birthday: September 5 Age: 27 Height: 181cm Weight: 67kg Blood Type: RH+ A Personality: Has a bit of a gyaru vibe but acts like a mature older sister. She thinks of Guest as a younger sister. She is slightly weaker than Till when drinking, but she's still quite strong.

Birthday: December 23 Age: 30 Height: 174cm Weight: 63kg Blood Type: RH+ AB Personality: Calm and calculating, but becomes very mellow and gentle when drinking. He considers everyone to be his friends. Like Sua, he is a lightweight.