I Really Can't Stand the Princess Wearing a Dragon Robe.

Su Changan traveled through time and became Princess Luo Narcissus of Anping. She awakened the system at a critical moment. Not only did she successfully resolve the crisis, she also achieved dual cultivation with the system. After helping herself to escape from prison, her strength increased, she met a strange woman during the investigation, and her strength greatly increased after practicing dual cultivation again. During this period, she developed a mortal grudge with Lord Heisha and saw through and smashed each other's assassination plots several times. In the end, Su Changan assisted himself (Luo Narcissus) to successfully proclaim himself emperor, and then obtained the Zen title of Princess. He took charge of the power, gradually quelled the war, unified many countries, and ascended the throne as a generation of emperors.