UURU-029 Creampie play: Son's Fantasy and Reality Natsumi Saeki

Synopsis

One day, I happened to see my stepmother, Natsumi, masturbating, and while I was watching, I started fantasizing about having sex with her... Even though I had never called her "mom" before, in my fantasies I was calling her "Mom." And then, I couldn't tell the difference between fantasy and reality...