Love Me Against the Night

Bei Li, a chaebol heiress who wears the guise of a saint but excels at manipulating hearts, takes in the bodyguard Nan Xun. Seeking her protection to escape a desperate plight, he is willing to become her slave. What Bei Li doesn't know is that she has been the "white moonlight" (cherished unattainable love) of Nan Xun's heart for years.