The heroine Mira, who was sold by her mother-in-law, is bought by a wizard who is said to be the most ruthless in the country. She said, "From today onwards, you're my pet, my sex slave." She was a heroine who was frightened of what kind of life awaited her, but she lived a comfortable life in a mansion. Except for the "duty as a sex slave" that she does in the morning and at night... Before she knew it, just remembering the "duty" that she was embarrassed and not good at, her body began to ache. One day, Mira slips out of the mansion, misunderstanding that she will be sold to a perverted aristocrat. But she gets caught right away- "Let's teach that body of her not to make a mistake again. "