Kakegurui Twin manga volume 1 features story by Homura Kawamoto and art by Kei Saiki.

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!