The Apocalypse Arrives, and My Best Friend Gives Me a Pocket Dimension

[Apocalypse + Pocket dimension + Hoarding supplies + No romance + Zombies + Superpowers] Yang Hong is an orphan with no idea where he came from or where he's headed. He has neither a good family background nor any special abilities, but he has two hands and two feet, and makes just enough to get by delivering takeout every day. Then, out of nowhere, a friend he hasn't seen in years shows up and hands him a priceless treasure! Yang Hong thinks it's just a joke, but it turns out to be a pocket dimension. After giving him the treasure, his friend vanishes without a trace! With the apocalypse his friend predicted drawing closer by the day, Yang Hong starts frantically stockpiling supplies to survive! Before the apocalypse, Yang Hong was just a law-abiding citizen. After it begins, supplies? He'll take them! Anyone who dares covet his treasure? They're asking for death! But as the apocalypse comes to an end, he discovers a shocking secret!