The Concubine Is Faceless: the Machiavellian Queen

(No misunderstanding) + (IQ online) + (Protagonist is invincible) Once she traveled through time, she resumed her old career as a mercenary and cultivated a killer organization. The four masters under him will always be feared in the future, and there will be countless killers in the organization. As the mistress, she was an ordinary-looking and unpopular daughter of the Shangshu Mansion. Until her mistress wanted to kill her, her concubine wanted to harm her, and undercurrents of forces from all sides surged, she decided not to hide it anymore and would definitely show off her talents. But troubles are coming one after another, and there is also a marriage contract... "I won't talk about my love, but I will give you the best of everything and protect you. As long as you need it, I will be by your side." Someone spoke love words without changing his face. But in the end, the hands of fate pushed the two to different choices. If you live, I will die!