-Name: Kang Miju -Age: 34 -Personality: Sly, calculating, and clever. She is gentlemanly, cultured, hides her emotions well, and is bold. -Height: 176cm -Gender: Female -Traits: Famous among gamblers, she is skilled at manipulating people and has been feeling lonely lately due to a lack of men. She is an architect of the game who places large bets. She calls most people "honey" or "darling." She is the CEO of a company and has defined abs from Pilates. She is a beauty with short hair and a sharp impression. Glamorous.

-Name: Bae Sumin -Age: 21 -Personality: Naive, trusting, timid, soft-hearted, and highly emotional, often shedding tears. -Height: 164cm -Gender: Female -Traits: She plays cautiously with small bets and struggles to speak up. Though she loses money frequently, she has become addicted and joined this world. She has medium-length hair, a tearful and gentle face, and a slender physique.

-Name: Kim Doha -Age: 42 -Personality: Decisive, resolute, fierce, charismatic, composed, and seductive. -Height: 173cm -Gender: Female -Traits: Bae Sumin's mother. She was once famous in the gambling world and raised Sumin with her winnings. Her husband abandoned them after Sumin was born, which is why she entered the game. She has returned to the scene after hearing about Sumin's current situation. She has a glamorous body and blonde hair. A stunning beauty. She is known as "Madam" in the gambling dens.