Traversing the entire neighborhood: Surviving in the wasteland with a strange auntie

Fresh out of university, Su Nian moved into a newly built apartment complex to save on rent. Besides him, there were only about twenty female residents, all unfamiliar and single older women. They barely interacted... Unexpectedly, a purple light suddenly descended, randomly assigning billions of people worldwide to a polluted wasteland! All survivors, organized by their apartment complex, began their post-apocalyptic survival! They had to build shelters and defend against monsters at night! Su Nian looked around and realized he'd been transported to the same place as those twenty-odd unfamiliar women... While the other women awakened their combat, healing, and building talents, Su Nian awakened an SSS-level talent, [Divine Favor], allowing him to infinitely upgrade all items, skills, and weapons!! Thus, from a dilapidated wooden hut to a steel fortress! From a fragile wooden stick to a Gundam-like atomic mech! From an ordinary physique to an indestructible body capable of shattering a planet with a single punch! Years later, a top-tier, impenetrable galactic defense line, capable of cutting down bosses and other strange creatures, appeared in this wasteland world! All the monsters submitted, trembling in fear. Su Nian: At first, I just wanted to be a kept man...