Kakegurui - Compulsive Gambler -, Vol. 15

Kirari Momobami, Ririka Momobami, Mary Saotome, and...Yumeko Jabami. The end of the election campaign is down to these four and their wills. Yumeko wants to gamble with Kirari in a true test of skill and instinct-but it's Kirari's twin sister, Ririka, who appears before her....