I Was Traded into Marriage with the Old Emperor, Yet I Won the Crown Prince’s Favor

To make her younger sister take her place in the palace, the eldest legitimate daughter climbed into her brother-in-law's bed, serving him an aphrodisiac wine before spending the night with him. For once she entered the palace, there would be only one way out: death. But her younger half-sister Mi Shan had also been reborn. Once inside the palace, she raised venomous insects and mastered herbal medicine. She won the emperor's heart and brought his princes under her sway as well. She became the constant through a succession of dynasties, an empress whose throne could never be shaken, and even served as empress dowager across two reigns. - Li Changyu: “You and I are both utterly deceitful. I can't trust you, and you can't trust me. I just made this poison. Give it a try.” Mi Shan: “Funny, you just accidentally swallowed one of my venomous insects. If you don't find a woman to cure the poison within ten days, you'll explode. Unless, of course, you beg me.” Li Changyu remained unhurried. “...Beg? Why bother, when I've got someone right here.” Mi Shan: “How dare you! I'm your mother consort! You wouldn't!” An ensemble tale of forbidden palace intrigue