Palace Slave

As a child, Seo-Ri is nearly sold into a courtesan house by her mother, but is saved by the benevolent Queen Yeon-Hwa. So she later helps the queen's son, Prince Seon-Gyeom, avoid an attempt on his life and run away from the kingdom. Six years later, Seo-Ri is living in disguise as a "male" slave at the palace for her safety. But then, Seon-Gyeom unexpectedly returns as a powerful prince and is drawn to Seo-Ri despite failing to recognize her. Can Seo-Ri keep her identity a secret with the prince's heated obsession growing by the day?

(Source: Tappytoon)