Young Sato Yu, burdened by deprivation and his stepfather's crushing debt, endures a life stripped of hope. His fate takes a dramatic turn when a strange phenomenon transports him to a fantastical realm. Gifted with a powerful stealing ability—a cheat-like power to assimilate others' talents—he embarks on an extraordinary journey of survival and transformation. Armed with ruthless determination and a tragic past fueling his drive, this twelve-year-old protagonist will stop at nothing to overcome his deprived circumstances. Can he harness his otherworldly gift to forge a destiny beyond despair?