One day, when I returned Home, my parents were away in Nasik city. My younger sister Neha had not bolted door. I went inside, and was stunned. I felt my sister was changing dress, but she was masturbating. Her eyes were closed. I went near, and was very tempted to see her putting fingers in her pussy and touching her asshole.
At first, she was frightened on seeing me. I bent down, touched her thighs, and started HELPING her.
She began feeling hot. I licked her, and then we had a nice time fucking in different positions.
Now, whenever we get time, I fuck her asshole, or her pussy. She likes licking my cock very much.