She begged to service me and offered to rub my bulging cock or even suck me. I told her in due time.I took restraints and applied them to her ankles a...nd wrists and spread her in the living room standing up. She was tied to two hooks in the ceiling and two hooks on the floor. I proceeded to slap her tits and twist them until they turned red. I then took my hand and slap her gorgeous ass until it was red. I then began to lick and nibble the inside of her thighs and began to lick her clit as I. I wanted to finger my back pinhole therein .. suddenly falls the voltage on and off for safety and the machine made a loud sound .. I hear the door of the room opened and then the door of the solarium which is already back into operation. The first words I heard was "You okay ..." and then silence. He saw me at "on knees position" and put deep three fingers in my ass .. he laughs. I said here that we got .. "fuck me now.." He tells me: "I wanted this from the first moment I saw you". Spitting. His pants and boxers were thrown on the side of the bed along with my mom's shorts and panties.I was full of different emotions, I was angry, jealous, but also really turned on. I thought it was hot my mom was under the covers having steamy sex with someone less than half her age and that my friend was so lucky he was getting to fuck such a hot MILF. I was right outside my mom's room listening to them and occasionally peeking to watch. My friend was alternating between fucking her slowly and. ..I think you and I need to talk" she said, "Yes, I suppose we do" I replied. "Didn't last night turn out as you hoped it would, did you not enjoy what happened?" she asked "Yes...No..., I don't know, that's just it really, how it turned out, what we did...you and me, things just seemed to happen, Christ Pooja! You're my sister...we shouldn't have..." Pooja sat back in her chair, "So that's what this is about, you're on a guilt trip, you regret what we did, No!...I don't think so Rahul, why.