The Crown Prince's CEO Wife

Anya Ashwood, a pharmaceutical CEO, time-travels into a palace maid persecuted by a eunuch. She finds Crown Prince Landon, her deceased husband and a time-traveler bound by a Heavenly Dao pact not to reveal his identity. Anya uses modern medical skills to rise from maid to Crown Princess, defeating eunuchs, chancellors, and the Prince Regent. She repels the Khurd army. Landon secretly protects her, admitting his identity at a life-or-death moment. They become Emperor and Empress.