She had a naughty smile on her lips as she watched my daughter thrust away at my pussy. I grinned back at my sister, realizing just how gorgeous she w...s. How wonderful.I put my hand on her thigh, feeling her sleek warmth. She shaved.How wonderful.“Mmm, look at you,” Lisa cooed, leaning in. “Just reveling in getting fucked hard, aren't you?”I nodded, my heart thundering in my chest. “Yeah, you're just having a wicked time, aren't you?” she purred. She had such a naughty gleam in her eyes. It. “She was thanking your Dad for giving her such a good fucking the day before. I was furious about that but there was more in her email. The details of that got me so aroused I quit being angry.”I didn’t say anything. I just let her continue.“It turns out that Charlie, Mr. K, wanted to watch her have sex with another man, so she had your Dad come over and do her while Charlie watched from the closet.”“Did Dad know he was there?”“Yes,” Mom laughed, “but Charlie didn’t know he knew. He also didn’t. Her eyes were closed and her head was rocking back and forth. I could tell they were both a bit uneasy as was I, but there's a first time for everything. She made me feel a lot better when she reached around to grab my legs while I massaged her shoulders. I started blowing and kissing on her ears/neck, which she gasped. He was smiling at her and began rubbing his cock through his jeans. As I kept doing this, he stood up and started to undress, which was my cue to start undressing her (she had a. As we snogged he lifted up my shirt as I then did the same to him and we were kissing furiously naked from the waist up in his kitchen.Another few minutes went by and I felt his hand move down my chest and touch the front of my pants, not to be out done I did the same to him, we were now rubbing each other. Again a couple of minutes passed and I unbuttoned his jeans and the fell to the floor, he then did the same to me, we were snogging and touching.My right hand rubbing his erection, my left.