Traveling Through Time Three Days Later, I Brought the Supplies to Fight Against the End of the World

Jiang Chen will travel through time in three days, and it will still be an apocalyptic world full of dangers. In order to survive, he hoards goods, develops power, and improves himself. There are more and more trump cards, and the strength is getting stronger and stronger. Unknowingly, he saved the world and became the savior of the last days.