Red Alert: I Am Playing Time Travel in the Apocalypse

A courier obtains the red alert system and travels back and forth between the end of the world and reality. In the apocalyptic world, gold has become a waste product, and food is the top priority. However, What does the real world lack most? Food! And gold in the apocalyptic world is just like that! Ever since, Lu Yang has reached the pinnacle of his life by reselling gold, beating up zombies, destroying unlimited troops, and opening up a harem like crazy. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.