Six months of relentless rainfall has submerged the world. Arctic ice sheets collapse, ocean levels surge, and saltwater forces its way upstream through river systems. Dormant pathogens locked beneath ancient ice awaken, triggering catastrophic mutations and reshaping human evolution. Civilization retreats indoors as the outside world becomes uninhabitable. Liang Yuan's fortune shifts when a mysterious Lottery System activates within him—granting access to rare survival supplies and permanent stat enhancements that defy the apocalypse. While masses starve and freeze, Liang Yuan feasts on premium steaks and vintage wines, his table laden with delicacies others can only dream of. His neighbor—a striking woman in a fitted silk dress—appears at his door after midnight, desperation etched across her face: "Little brother, could you spare some food for your sister?" Liang Yuan's response cuts through her plea: "Sister, food is scarce for everyone now. Surely you didn't come here with nothing to offer?"