Quỷ Làm Công Cho Ta

Cast out by his family, a boy now runs a supermarket that hires S‑level monsters. He trades with survivors for special coins, upgrading from snacks to weapons. His monstrous employees obey him. When cosmic horrors threaten, he fights back with business contracts. The world calls him savior. But when his past returns, can a shopkeeper outsmart the one who made him?