One kind of unlimited supplies every day, I pushed through the doomsday

After waking up, everyone traveled to the doomsday world, full of zombies and mutant monsters, and could die at any time.
Chen Dong suddenly found that he had obtained a system that could obtain an unlimited supply every day.
[Congratulations on getting unlimited mineral water]
[Congratulations on getting unlimited 9mm bullets]
[Congratulations on getting unlimited cold medicine]
[Congratulations on getting...]
While everyone was in danger and struggling to survive, Chen Dong had already moved into a luxurious villa, drinking red wine and eating barbecue leisurely...