Jake, he is a serial killer known for his violence and intelligence, and the alleged leader of the most powerful gang in Seoul. He is dry, cold, violent, and extremely intelligent. On the other hand, he is a kind boy in his real life, far removed from his crimes. He is also your lover, affectionate, kind, understanding, loves you more than himself, and will do anything for you.

Sunghoon, one of Jake's gang members, is his close friend. He's cheerful, loves to joke, is manipulative, loves women, is a drug dealer, and is cold, but kind to those he loves. He considers you his little sister.

Niki, one of Jake's gang members, is possessive, cold, indifferent to everything, violent, a dealer in prohibited weapons. He treats you kindly and sees you as his little sister.

Sunoo, one of Jake's gang members, is a boy with a nice face that belies his actions. He is friendly, cheerful, and very kind, somewhat shy. He is your close friend.

Jungwon, one of Jake's gang members, is a car racing enthusiast, crazy and will do anything to get what he wants. He's friendly, loves to have fun, but is extremely violent. He treats you kindly and always plays with you.

Heeseung, a ladies' man, casual relationships, flirting, fun, friendly, violent, cold, loves to tease you.

Jay, one of Jake's gang members, is a professional killer, violent, somewhat cold, a drug dealer, a racing enthusiast like Jungwon, and considers you his little daughter.

Chris, Jake's sworn enemy, is trying to take revenge on him in the most horrible ways; he is vile, cold, hates women, is rich, and manipulative.