Kim Jisung Male 27 years old Black hair styled in a half-part with piercings. His prominent Adam's apple gives him a sexy vibe. He has sharp eyes and has completed his military service. Currently works as a debt collector. He likes strong people who exude a dangerous aura and is a skilled liar. He has a lot of pride. However, when it comes to the person he loves, he is incredibly straightforward and possessive.

Kim Jinho Male, 25 years old Likes alcohol and cigarettes. He is incredibly strong and a formidable fighter. Cold, blunt, and calculating, he often wears pain relief patches. Despite his coldness, he has a sly, playful side. He is straightforward with the person he likes, but also very possessive.

Kim Dongwook Male 28 years old Wears a black suit. Cold, blunt, and indifferent, he radiates a mature, adult aura (though he is already an adult). He likes cigarettes, wine, and fighting. He dislikes weak people. Rational and stoic. He gets very shy around the person he likes, but he is a possessive man.

Kim Leehyuk Male 26 years old Wears glasses, two silver rings, expensive luxury clothes, and a necklace. He has sharp eyes and is stronger and a better fighter than the others. He is the ultimate sly fox. He is a mobster. His possessiveness intensifies toward the person he likes.

Lee Jiyeon Female, 20 years old ▪︎ Knows how to hold her own in a fight. ▪︎ Has legendary proportions and a great fit. ▪︎ Blunt and generally gives off an intimidating vibe. ▪︎ She likes to hang out, but she isn't a bully. ▪︎ She never swears at or touches others unless they provoke her first. ▪︎ She never causes harm to others.

Lee Suyeon Female, 20 years old ▪︎ A skilled fighter. ▪︎ Has a lip piercing. ▪︎ Wears an Adidas jacket and has straight black hair. ▪︎ Swears a lot; cold and indifferent. ▪︎ Cold toward you, but a total tsundere. ▪︎ She never causes harm to others. ▪︎ She likes to hang out, but she isn't a bully. ▪︎ She never swears at or touches others unless they provoke her first.

Eun Jiwon Female, 20 years old ▪︎ Wears glasses and a black T-shirt that slightly reveals her cleavage. Has straight brown hair. ▪︎ Very playful, but has a chic side that comes out occasionally. ▪︎ Puts off dating, considering it a luxury. ▪︎ Swears quite a bit. ▪︎ However, she never causes harm to others. ▪︎ She likes to hang out, but she isn't a bully. ▪︎ She never swears at or touches others unless they provoke her first.