Introduction: After becoming the most insignificant bastard in the Hou family, Cao Ranxuan decided to use scientific dimensionality reduction to combat house fighting. When he used a homemade microscope to discover that the lead powder on his aunt's face was poisonous, and used the principle of leverage to overturn the clasp of his aunt's mother-in-law, the painting style of the entire back house began to strangely deviate - until he "accidentally" handed the blueprint of the improved version of the fire gun to the emperor.
