A year before Yumeko Jabami graced the hallowed halls of Hyakkou Private Academy, Mary Saotome got her own start at the gambling-addicted school. Can this normal girl achieve her own rags-to-riches st...more

A year before Yumeko Jabami graced the hallowed halls of Hyakkou Private Academy, Mary Saotome got her own start at the gambling-addicted school. Can this normal girl achieve her own rags-to-riches story through wits and luck? Find out in this prequel to the mega-popular Kakegurui!