“I’ll head home as soon as I finish this delivery!” Then the sun exploded. The streets were crawling with monsters that wanted to bite people. Luckily, my delivery bag turned into a warehouse that could hold anything. System: You have a new ‘survival’ order. Please handle it promptly. What? You can deliver weapons as well as spicy hotpot? Sorry, in this post-apocalyptic world, a delivery rider like me runs the whole show!”