Library

After a world-class disaster, humans hid underground in order to survive. When resources are exhausted, the "Pioneers" return to the ground and explore everything. Is it endless darkness or a whole new world that awaits mankind?

Is anyone here? Your express delivery is here, please check it! What? The recipient was captured? But this package, eh, I can only keep it for him first. What are these? Can there be some normal packages and recipients? In 3032, Ma Fei, a 20-year-old boy who grew up in a single-parent family, became a courier after graduating from a vocational school. But this ordinary job has become the only thing he regrets in his life.