I Am the Only One Left in the Emperor's Back Garden

Everyone knows that there are three thousand people in the harem, but I am the emperor's medicine guide. He called me to sleep with me every night, but he only took three drops of my heart's blood. Everyone said that I was just a living medicine for him to save his beloved queen. Even the Queen took pity on me: "Why did my sister give everything for him?" I lowered my eyes and smiled without explaining. Until that night when he drunkenly broke in, pressed me down on the bed and screamed: "Who are you? Why does your blood... Make me dream about you every night?" The candlelight flickered, and I gently stroked his hot cheek. "Have you forgotten, Your Majesty? You personally planted me in this back garden a hundred years ago." "And your sweetheart, the Queen..."