[Reducing Mosaic]RTP-104 My sister came to stay at my place while I was living alone. After 10 years, sleeping next to her again, every time she turned over, her breasts were exposed! Unable to hold back, I was secretly masturbating when from behind I heard 'You were doin

I live alone in Tokyo, and my sister came to stay over at my cramped one-room apartment. I slept on the futon, and she slept on the sofa... In the middle of the night, I woke up to find my sister sleeping soundly with her underwear fully exposed! At some point, my sister had turned into a girl's body, and I got excited, so I touched her pussy over her underwear while masturbating. Then my sister suddenly rolled over! Shit! Busted! I hurriedly put my dick away and hid under the covers, but it was too late...