After continuously administering aphrodisiacs to her admired aunt for 10 days, she became a sex toy for unrestrained penetration and orgasms... (Tomoda Maki ROE-103)

In order to manipulate my beautiful aunt whom I admired at will, I made an aphrodisiac based on information found online. Then, this summer, the time came to test the aphrodisiac while spending the night at my aunt's house. Avoiding my aunt's gaze, I added one drop, two drops, three drops, four drops, gradually increasing the dosage. My aunt, her body burning, breathing heavily, and writhing, seemed to have lost all willpower. Finally, on the night of the summer festival, my aunt, having lost her mind, attacked me. After that, my aunt became my personal, submissive sex toy...