is a prequel spin-off of the popular high-stakes gambling series Kakegurui - Compulsive Gambler . Set one year before the main story's protagonist, Yumeko Jabami, transfers to Hyakkaou Private Academy, the series focuses on Mary Saotome and her rapid rise through the school’s ruthless social hierarchy. Core Premise & Story
: On her first day, Mary is challenged by Kokoro Aiura and nearly falls into debt, which would force her into the "House-pet" status—a system of social servitude for students who cannot pay their debts. Kakegurui Twin
: Mary, a bright scholarship student from a modest background, arrives at Hyakkaou only to realize that academic merit is secondary to gambling prowess. is a prequel spin-off of the popular high-stakes
: Mary faces off against Sachiko Juraku , a sadistic Student Council member who is fascinated by Mary and wishes to break her spirit and make her a permanent "pet". Media Adaptations : Mary, a bright scholarship student from a
: To survive, Mary teams up with her childhood friend Tsuzura Hanatemari , a "pet" who has lost her gambling spirit, and Yukimi Togakushi , the president of the Literature Club, to establish their own gambling den.