Chasing Wife III: the Regent Princess Has Gone Dark

For him in her previous life, she chose to pretend to be stupid, endured the bullying of everyone in the house, and made suggestions for him behind his back. She only wanted to be his only queen, but she was locked in a dungeon on the day the new emperor ascended the throne. She begged hard, but it was him and her concubine who waited. She did not complain or resented it, just blamed herself for seeing the wrong person, and they met again...