Liana is a princess who is praised as a princess knight by her people. Recently in her kingdom, there have been frequent incidents of orcs taking women and selling them for human trafficking.
Princess Liana rushed to the scene after hearing reports of orcs appearing and succeeded in repelling the orcs. However, she is caught in a trap while chasing after a fleeing orc and is captured in the hideout of a human trafficking ring. There, waiting for Princess Liana was Ida, a ruthless lewd magician.
Ida tries to turn Princess Liana into a commodity for human trafficking by training her with pleasure and humiliation. Will Princess Liana be able to keep her pride as a knight and escape from her predicament?