A few minutes later I heard her coming down the hall and barely got my pants closed when she walked in the room. I tried to act calm as she walked up ...o me and asked if I was done yet. I turned the last page and read the remaining paragraph.When I finished she said "I hope you learned something from todays lesson." I told her that I did and she said I could go. I collected my things and stood up to leave not realizing how obvious the bulge in my pants was. She smiled and said "I'm sorry I had. It gives me immense pleasure to hear those kinds of comments.Anyways let me give you the details of my assets : I am 28 years old milf with curly hairs, fair complexion, round boobs and A-shape butt.I keep my genitals clean shaved because I want my partner in sex to enjoy my wet pussy to the best. I love to masturbate and rub my pussy especially in crowded places. Last time where I rubbed my pussy was in Andheri metro and I got to touch so many dicks. Also one guy was deliberately trying to. I don't remember how long we were engaged in this play but suddenly we heard the door to our parents bedroom rattle as it opened and we flew apart. Beth got hold of the remote control and switched the TV off while I straitened out my pants that was pressing hurtfully against my hardon. I had time to see that the credits just were running before the TV went black and soon after my father stuck his head into the room and asked us how the film had been. We answered almost in chorus "Terrific!". Mark wasn't ready for a 'half-sister' He was always shy, usually ducking out of open discussions, afraid to speak and get laughed at or embarrassed. But what he really wasn't prepared for was the 'underbelly' of the newly-formed family. Not what you see, but what you don't see. Ginny was 4 years older than Mark, with no intentions of moving out. It was cheap and convenient for her, so why bother? At 22 vs. Mark's 18, suddenly he found a confidant, someone who he could talk to about.