My sister has been a hermit since high school. I came to Tokyo for college and when I first returned to my parents' house a few years later, my sister told me that she was still so spoiled and was a hermit. Curious about the sounds coming from her room, I looked inside and found my sister, who had grown into a woman with huge tits and a huge ass, masturbating! What? I was so excited to see my sister turned into a chubby, introverted nymphet with a high sex drive who masturbated every day! My sister invites me to have sex with her because I'm hard as a rock! ? 120 out of 100! I have sex all over the house with my tough, horny sister! In the bathroom, in the living room, hiding from mom! Cosplaying in bathing suits and costumes! I can do whatever I want with her voluptuous, slutty body!