One day she came at our house at 9 pm instead of regular 6:30 and said that she wanted to talk to mummy.So I called mummy. Bai told her that she was h...ving arthritis in her joints and therefore could not work anymore at our house. Mom showed sympathy towards here as she worked at our house for 21 long years. She told mom that if she wants then she could send her daughter in law in place of her for the work, for which my mother agreed. But then she told that she could not come at 6:30 but 8 pm. And headed to the back yard!I opened the back door and stepped out. and froze in my tracks. there He was in the Hot tub, but not alone, His 30 year old daughter was with him both of them nude She was siting on the side of the hot tub facing away from me he had his head between her legs licking her pussy I assumedDAMN it was hot seeing Them together i was instantly enthralled, I had never before seen Her nude, He was 5 foot 9 or 10 inches tall slim about 170 Lbs. very defined muscles (He is a. Is there anything I can get for you while you wait?"I smiled and responded, "No, thank you, I'm fine."What she did next kind of took me by surprise. She stepped behind me and started to take my jacket off.She said, "Let me take this and hang it up for you. We don't want to cover up your beauty."I didn't know how to respond at first as I let my arms relax down and let her peel the jacket from my body, suddenly feeling self-conscious as I no longer had my security blanket.Then I felt a chill go. .My head was spinning. I then realised that it was my turn to text."you are really a naughty women.I'm young enough 2 b ur son, yetu want my cock inside ur wet cunt. Can I also suck ur tits?I got up off my bed and put my ear against the adjoining wall of mom's room. I strained a little at first, but then I heard her gently moaning. Just and no more. It was the kind of sound you hear when someone tastes something they like. My mom was in the process of masturbating. I had been responsible for.