Is my sister's crotch, falling asleep while masturbating, a vibrator is running wild in her crotch? I heard a strange mechanical sound "Vienna Vienna" from my sister's room, which is usually quiet and serious! I was curious and peeked at me, and my sister was sleeping in an incredibly sexy look! It seems like she masturbated with a vibrator and ended up cumming, and she couldn't unplug her pussy and fell asleep with the power turned on. I couldn't help but feel the shame I had never seen before from my sensible, extremely serious sister...

I could hear a strange mechanical sound "Vienna Vienna" from my sister's room, which was always quiet and earnest. I was curious and took a sneak peek and found an incredible sight! It seems that my sister, who was masturbating with a vibrator, had come to an end and fell asleep, and the vibrator, which was still on, moved in her pussy! I was extremely excited by the shameful and usually reassuring sister! I couldn't stop feeling aroused, and while I was playing with the vibrator I had inserted and looking at my pussy, my sister woke up...