Moving Supplies in the Last Days

[Doomsday natural disaster + stocking up on supplies + space + mission =? ? ? The doomsday is coming, and various disasters are coming one after another, heavy fog, earthquakes, low temperatures... At this time, strange light screens called light holes appeared one after another in various places. Bringing a glimmer of life to a dilapidated world. Ye Huai was hiding in Tibet in the troubled times in the Middle East, living in a cave of light. After an accidental death, he returned to before everything began. In order to make his parents and younger brothers live a better life, he must work harder this time! It's a purely apocalyptic story, and the mission world is also an apocalyptic setting. You stock up on supplies every day, and the missions are a bit like traveling through time.