While Others Are Fighting Monsters, I Am Hoarding Food. the Boss of the Apocalypse Wins.

Double strong, apocalypse (zombie, virus, extreme cold, extreme heat, etc.), Space, female attacker, GB. In the last life, Nanchu survived for ten years in the unpredictable apocalypse, struggling to survive every day. Finally, surrounded by zombies, he committed suicide by cutting his neck to avoid turning into a zombie. In this life, Nan Chu found space, stocked up on supplies, and trained to a high degree to prepare for the end of the world. When the apocalypse started, a man walked into Nan Chu's field of vision.