In this steamy fantasy romance, a maid with a secret power must help a hero regain his dwindling magic-by sleeping with him! Under normal circumstances, the servant girl Nanna would never cross paths with the war hero known as the "Shadow Hero." However, he has an incurable disease, and Nanna has the power to cure it. There's just one catchcan only heal her patient by losing her virginity to him! Can the two of them possibly enter such an intimate arrangement?