Traveling Through the Qing Dynasty and Ascending to Power

A college English teacher who just returned from studying abroad discovered on his birthday that his best friend was having an affair with her boyfriend? Then he was injured in a fight and traveled back to the Qing Dynasty, only to be poisoned by his sister, who was clearly his best friend in modern times. And she is a draft girl who is about to enter the harem with her sister. Facing the witty Emperor Qianlong, the fresh heroine has no choice but to mature and carve out a world in the harem in order not to be killed by others.