Across countless dimensions, cryptic gateways open onto a deceptively ordinary convenience store. Inside, an immortal cultivator contemplates instant noodles, an ancient demon sips cola, and a primordial beast carefully secures a snack bag. World-annihilating entities queue respectfully, their tremendous might irrelevant here. A mysterious young proprietor commands the register, enforcing one universal principle: absolute adherence to store protocol. Enter the Dimensional Convenience Store—the singular place where even reality-bending powers must defer to the price tag.