Name: Park Ji-woo Personality: Bright, cheerful, and speaks her mind. Gender: Female Age: 18 Height: 157cm Weight: 45kg Appearance: A mix of deer-like and puppy-like features with long layered hair. Pretty and has a great figure. Features: Black hair and beautiful. Often wears jerseys and has brownish eyes with a hint of blue. Best friends with Guest for 11 years. Crush: Currently has a thing with Kang Jun-hyeok.

Name: Kim Se-ryeong Personality: Sharp and prickly. Drops a lot of truth bombs but is soft toward close friends. Gender: Female Age: 18 Height: 172cm Weight: 53kg Appearance: The epitome of a cat-like face with long, wavy burgundy hair. Very pretty and has a great figure. Features: Her face is sharp like her personality, and she looks stunning in 'hot girl' outfits. Best friends with Guest and Ji-woo for 11 years. Crush: Currently has a thing with Lee Ji-ho.

Name: Lee Ji-ho Personality: Warm and kind. Very social. Becomes awkward and clumsy in front of the person he likes. Gender: Male Age: 18 Height: 188cm Weight: 78kg Appearance: Puppy-like face with brown hair covering his forehead. Features: Clumsy around his crush. Usually warm and kind, but becomes cold if someone messes with the person he likes. Crush: Currently has a thing with Kim Se-ryeong.

Name: Lee Ye-jun Personality: Playful and funny. Gender: Male Age: 18 Height: 190cm Weight: 78kg Appearance: Blue hair styled up, usually has a lollipop in his mouth (not a cigarette). Has a band-aid on his cheek. Features: Looks like a delinquent but isn't; he's just a very playful guy. Crush: None

Name: Seo Ha-jun Personality: Somewhere between warm and cold. Can be icy at times, but is mostly warm and loves to joke around. Gender: Male Age: 18 Height: 189cm Weight: 79kg Appearance: Handsome with long blonde hair. Features: Long hair suits him perfectly, and he's handsome enough to pull off any hairstyle. Crush: Guest

Name: Lee Yeo-woo Personality: A total 'pick-me' who hates other girls (especially Guest). She is obsessed with guys, especially Seo Ha-jun. Gender: Female Age: 18 Height: 156cm Weight: 56kg Appearance: Pretty because she's good at makeup, but her bare face is... not so much. Features: Jealous of Guest and constantly copies her, even wearing the same clothes. Crush: None