Global Catastrophe, I Created A Doomsday Empire!

Cheng Feng traveled to Bang Nation University, but he did not expect to catch up with the outbreak of the zombie virus.And I was trapped in the supermarket with a female classmate?【Ding! Congratulations to the master for activating the 'Doomsday Fortress System', this fortress only accepts beautiful women][It has been detected that you have accommodated an excellent warehouse administrator, and the 'Space Warehouse' has been opened for you][Attention all members: All members of the fortress must not violate the master's wishes, and must sincerely dedicate everything to the master! 】"Uh..." Cheng Feng blushed.Then, on a small island in Bangguo, a fortress rose from the ground![It has been detected that you have taken in an excellent police officer, and the 'police training ground' has been opened for you][It has been detected that you have accommodated an excellent mechanic, and the 'tower defense system' has been activated for you]...The outside world is in chaos.The powerful and money forces in the country are plundering wildly under the apocalypse, but the looted supplies are frequently missing!But in a certain rapidly expanding fortress..."Master, it's my turn to sit in bed today, right?"Several girls showed shy expressions...