After the Peace, I Became the Queen Mother of the Enemy Country

Shen Zhaoning opened his eyes and found that he had returned to the three days before his death. Memories from her past life came flooding back - she helped Murong Heng seize his legitimate son, planned military pay for him, and even blocked a knife for him. But as soon as he ascended the throne, the first thing he did was to marry her concubine as his queen, and the second thing was to give her poisonous wine. The crime was "jealous and immoral, and murdering the emperor's heir."