Apocalyptic Disaster Creates a Super Red Alert Base and Opens a Harem

Cao Meng'an was reborn and returned to the end of the world in 2043, which was July 1st and September 2nd before the end of the world broke out. 64 Days. Create a red alert that accommodates 5 million people. The base has unlimited spaces to store supplies and arms. Build a red alert base. Open a harem with three thousand beauties. Be a boss and stock up on supplies. To face extreme cold. Zombies and so on. Crisis carries space. Build a super red alert base. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.