Read manga Healer for the Shadow Hero (Official) / Kage no Eiyuu no Chiyugakari / 影の英雄の治癒係 / 그림자 영웅의 치료사
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 catch. Nanna can only heal her patient by losing her virginity to him! Can the two of them possibly enter such an intimate arrangement?