Under the Gray Area

The end of the world, no system, no superpowers, physical monsters, two male protagonists and brothers There was a sudden blackout, and a huge city was completely blocked. During the day, survivors search abandoned buildings, neighborhoods, subways, and shopping malls for supplies, repair power supplies, and clean up infected bodies; at night, black hunting, howling, corpse climbing, and corpse tides will turn the entire city into a hunting ground.