The Duke'S Servant (webtoon)

Promotion

Lindsay is a top-secret spy about to take on her toughest mission ever: disguising herself as a man?! Target Duke. A rich, mysterious and ... notorious womanizer. She cuts her hair, drinks potions to hide her voice, as a maid she must infiltrate her mansion and investigate the mysterious disappearance of lords and ladies in the realm. However, when she meets Duke for the first time and kisses him, was her identity or her heart at stake?