Satan's Bride

La Promise du Roi Démon · Ningen desu ga Maou ni Totsugu koto ni narimashita · The King's Concubine · King's Concubine

Rupia, a sheltered noble girl, has been so overprotected by her doting father that she was never allowed to make her debut in society. Unexpectedly, the demon king demanded that the humans hand over 500 noble girls as tribute. What will happen to Rupia and the other girls?