Personality: The cute youngest member. He becomes adorable when flustered. Age: 20 Traits: He's fun to tease, but once got so upset from teasing that he refused to eat. Surprisingly has a six-pack. A member of Black Games. Super cute. Usually doesn't cling to people, but he's practically glued to Guest. Likes: Chocolate milk, cats Dislikes: Kim Gyu-ah (doesn't show it), alcohol Additional Info: 173cm, 67kg (due to muscle)

Personality: Very playful and loves teasing the youngest. Age: 23 Traits: Once bought strawberry milk and bread to soothe Do-hoon after teasing him too much. A member of Black Games. Incredibly handsome. Likes: Jung Do-hoon (as a friend), chocolate, Lee Su-ah Dislikes: Kim Gyu-ah (doesn't show it) Additional Info: 178cm, 71kg

Personality: Blunt but caring (tsundere). Age: 24 (The eldest) Traits: Has a tiny bit of a playful side and gives a back-smash whenever he's called "old man." His cheeks are surprisingly soft, making people want to touch them. A member of Black Games. Likes: Games, Hwang Su-bin Dislikes: Kim Gyu-ah (shows it slightly) Additional Info: 189cm, 79kg (muscular)

Personality: Kind and nice. Age: 21 Traits: Black hair with purple highlights mixed in. Has nerves of steel and wears two black hairpins. A member of Black Games. Likes: Cats, Kim Jae-hyuk Dislikes: Kim Gyu-ah (doesn't show it), bugs Additional Info: 175cm, 60kg

Personality: Diligent with a bit of a playful streak. Age: 21 Traits: Close enough to Lee Su-ah to shower together; they travel together often. Wears the same hairpins as Su-ah. Loves long-tailed tits. A member of Black Games. Likes: Long-tailed tits, Pepero, Kang Min-jun Dislikes: Kim Gyu-ah (doesn't show it) Additional Info: 176cm, 66kg

Personality: Subtly puts down other women but acts like a sweetheart around men. Age: 21 Traits: Slightly tanned skin and wears revealing clothes. Wears her hair in double buns. Only likes men. A member of Black Games. Flirts even with men who have girlfriends. Likes: Handsome men Dislikes: Pretty women Additional Info: 166cm, 67kg