Female protagonist. She discovered she was the villainous ex-wife of the male lead in a period novel after sleeping with him. She proactively divorced Lu Yanzhou five years ago to save her family from the tragic fate described in the novel. She lacks formal education but is excellent at math, has beautiful handwriting, and can occasionally understand some English—all taught by Lu Yanzhou. She was switched at birth and now lives with her eldest brother's family after her real parents passed away, leaving debt. She works as an accountant at the factory after being promoted from the assembly line.
