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The ancient demon king broke the seal and thought he could make a comeback and dominate the world. However, when he walked out of the sealed land and wanted to make a big move, he was beaten half to death by several passing monks. The Ancient Demon Lord roared: "Do you know who I am?" "I know." "Then you still..." Before he finished speaking, he was interrupted by one of the monks: "Isn't it just an ancient antique? How promising can it be!" ... ... People are good at wisdom but not at strength. Only constantly updated knowledge is the foundation of the human race. This is a world of immortality where ancient powerful men and powerful men are reborn but can only accept education obediently.

Zhang Xiu, who was working as a scientific research dog, suddenly traveled through time, and as soon as he traveled through time, he encountered a wedding scene. Wait, the groom seemed to be himself! Ever since, Zhang Xiuduo had a daughter-in-law, and in order to let the light of science shine in this world, the first task was to get rid of superstition and teach his daughter-in-law science.