Wanting to turn my brother's wife, who lives under the same roof, into my sex toy, I put them both to sleep with sleeping pills, and while they were asleep, I fabricated photos of my sister-in-law in a lewd pose. My sister-in-law was fooled by the photos and became obedient to my commands. I continued to make my sister-in-law feel humiliated without my brother noticing... When her sense of shame reached its limit, she slowly transformed into a lewd figure...