Florida Man's General Store in Cultivation World

WHAT?! A FLORIDA MAN IS BUILDING A HAREM IN A CHINESE CULTIVATION WORLD?! After war destroys Earth, Leo spends 50,000 years running his sister's grocery store, punching mutants between restocks. Then BOOM! He gets isekai'd, landing butt-first on a catgirl's face! Now cultivators pay with their LIFESPANS, his bathwater is HOLY WATER, and expired Viagra becomes a legendary pill! Three gorgeous cultivators refuse to leave his store! Every sale unlocks another mysterious warehouse left by his sister. Now half the continent is camping outside! Welcome to Florida's Cultivation Store!