[No system + time travel + no Holy Mother]
Yu Chang, a master of mechanical engineering, traveled to the late Ming Dynasty with his mother Wang Shan, a liberal arts professor.
"How can a man live between heaven and earth and live under human beings for a long time?" Yu Chang said boldly.
"Man, you're so big!" Wang Shan scolded with a smile.
Yu often used his engineering knowledge to create a complete industrial system in Ming Dynasty.
His mother, Wang Shan, acted as a behind-the-scenes adviser to Yu Chang.
Just talk to my guns about any conspiracy.
Mother and son work together to help the building collapse.
Create a prosperous age for the Chinese nation.
