When Countess Michelle finds out that her fiancé has fallen in love with her sickly sister, she decides to run away from home. Pretending to be a commoner, she tries to start a new life in a village far from the royal capital, but her guardian knight, Juste, chases after her...!?

This is the story of an unaware, pure-bred aristocratic young lady who is captured by a cunning and scheming guardian knight, who dotes on her so much that she cannot escape no matter what.