Great Ming: I Build Mechas by Hand, and Old Zhu Forces Me to Marry His Daughter

Lu Zheng transmigrates into a high-martial Ming Dynasty world and starts out as the owner of a firearms workshop on the verge of bankruptcy, with an execution hanging over his head.

At death’s door, he awakens [Max-Level Comprehension]. By watching a blacksmith at work, he comprehends Steam True Qi; with one glance at scrap metal, he handcrafts a Gatling crossbow!

From then on, everything changes: constables of the Six Gates ride Harley motorcycles, and the Ming Embroidered Uniform Guards don heavy steam-powered armor!