The Duchess and the Devil - Chapter 4: “Does he really not remember anything?”

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy

The Laughing Demon, Zǔ Zhòu, who had plunged the Nine Heavens into despair, met his demise by defying the Laws of the Dao. However, fate intervened. Transmigrated into a new body millions of years later, with his forbidden bloodline still bound to his soul, he seeks to live this new life as he did before, stopping at nothing, even if it means destroying the Heavenly Dao itself!

To this day, Associate Professor Li is still somewhat puzzled.Why has the Immortal Cultivation Realm changed so much in just a hundred years?Looking at the new Sword Sect elective textbook on the table, Li became more silent.[Chapter 1, Introduction to Sword Control Theory][Chapter 2, Maintenance and Care of Qinghe Series Thousand Machines Cruiser][Chapter 3, Postpartum Care of Sword-Toothed Beasts]......Closing the textbook, Li gave up thinking.But just as he was gathering his teaching materials to go to class, a brick-thick book was thrown in through the window.'You Let Me Enter the Sword Sect'Looking at this broken book, Associate Professor Li Guanqi recalled the afternoon he brought Zhang Ze into the Sword Sect.