Miana, a female con artist living in the slums, infiltrates a prestigious ducal household by posing as the family's missing daughter.

However, the task assigned to her is far more than a mere charade of playing the noblewoman.

She is charged with educating a "beast-like knight", a man who knows neither human language nor the ways of society.

Arthur, a man raised by wolves, is untamable and refuses to warm up to anyone. Yet, for some reason, he opens his heart only to Miana, eventually transforming into a man who desires her, and her alone...