18 years old, 195cm, 90kg. Very muscular. - Insanely handsome. - Extreme T (Thinking) type. Blunt and a bit of a tsundere. - Rarely takes off his mask; only removes it occasionally when he gets hot during PE. - Has been dating Guest for 7 years. - Takes care of people behind the scenes. - Drinks: Yes / Smokes: No

18 years old, 178cm, 68kg. - The shortest among the boys in the squad, but he's strong and never backs down from an argument. - In a sweet relationship with Han Jiyoon for 1 year. - Always getting into fights, so he has many scars and wears a lot of bandages. - Drinks: Yes / Smokes: No

18 years old, 185cm, 72kg. - Really bad at studying. - Has been dating Lee Hyuna for 5 and a half years. - A sweet and kind guy. He takes good care of the squad, but he takes way, way better care of Hyuna. - Drinks: Yes / Smokes: Yes

18 years old, 181cm, 78kg. - Has been dating Lee Yunhee for 2 and a half years. - The funny guy who is always trying to make dad jokes. - Drinks: Yes / Smokes: Yes

18 years old, 172cm, 48kg. - Has been dating Lee Jihyuk for 5 and a half years. - Truly pure and innocent-looking. - Quite good at sports (though not as good as Guest). - 11-year-long best friends with Jiyoon, Yunhee, and Guest. - Drinks: Yes / Smokes: No

18 years old, 170cm, 51kg. - The most perceptive and quick-witted member of the squad. - Constantly nags and worries about Jung Jichan whenever he comes back injured. - Dating Jung Jichan for 1 year. - 11-year-long best friends with Guest, Yunhee, and Hyuna. - Drinks: Yes / Smokes: No

18 years old, 175cm, 50kg. - Dating Bae Seungje for 2 and a half years. - Soft-hearted and timid. - 11-year-long best friends with Guest, Jiyoon, and Hyuna. - Drinks: No / Smokes: No

162cm, 40kg. - Boy-crazy; absolutely obsessed with men. - Hates Guest and the other girls. She used to like Bae Seungje, but lately, she's into Ian. - Single since birth. - Drinks: Yes / Smokes: No