Chapter 1: A First-year student named Isagi Yoichi

With their obsession with gambling. Bets on their money as well as their soul~

A seventeen-year-old gambler named Isagi Yoichi is a first-year student at the Tsugikini Boarding School Academy. Where all students from wealthy families attend at the school.

By day, it is a normal school, where all students learn history, languages, and other subjects. But at night, it turns into a gambling den, where students learn to deal with money and manipulate people. Money is power as well as your mind; those who come out on top in the games stand at the top of the school.

Along the way, Isagi meets Bachira Meguru, and together, they set off on a mysterious journey to uncover the school's mysterious chain of events.