I recommend " The Thief Concubine ". This novel is an ancient romance novel. The female protagonist is a 21st century thief who was framed to death during a mission and traveled back to ancient times. There, she had the ability to cultivate immortality and relied on her younger brother's orphan for survival. The plot of this novel was complicated, and the protagonist was scheming and adventurous. It was memorable. I hope you like my recommendation.