Kimimaro Yoga, a second-year Economics university student, is struggling to make ends meet in a country with a failing economy. His peers live relatively luxurious lives, exacerbating Yoga's financial woes. A mysterious stranger named Masakaki appears at his doorstep, offering Yoga a chance to participate in the Eastern Financial District's lucrative "Deals," where individuals can earn wealth by wagering their future. In this alternate realm, Yoga becomes an "Entre," facing weekly duels against his countrymen, with his fortune and future at stake.