I Married An Empress By Accident

Transported into a crumbling dynasty, he quietly builds an army for the coming chaos — until bandits kidnap his wife. He storms their stronghold alone and rescues her, only to discover a corrupt magistrate orchestrated it all. He kills the magistrate and claims the town — then learns his wife is the reigning Empress, and her sister is a hidden prince. Now he's trapped in a deadly war for the throne.