I know, I know, I'm a bad domme for losing control like that while my sub is bound and suffering. So far, we've both enjoyed the situation, although I...d feel bad if Mark's torment caused permanent damage while I rode the Sybian.I increased the speed of the vibration and leaned forward until I felt the first orgasm throbbing through my body. Barely pausing, I increased the rotation speed and angle. Leaning back, I felt the dildo rotating against my g-spot, and twisted my nipples with my fingers.. What are you getting at?"Ashlee was looking at me the same way. "Yeah, what are you getting at?" Ok, here is my idea. Instead of having sex in the traditional, loving missionary position where we end up staring lovingly into each other eyes, we do it doggy style. You get fucked like you want and we don't form any emotional entanglements that could mess up our family relationship." Ok I know, not the best idea in the world. I do care for her like a father and fathers do have sex with their. In the lounge we caught up on the last year, and how Tracy was getting on at school, I didn’t ask about my ex, I knew she would be Ok, as we talked I thought about asking her if she wanted to move in with me, making it easier for her to go to college, but then I thought she might take this the wrong way, like I wanted to keep an eye on her or even bed her.We talked until around half five and she got up saying she had better be going, I engaged my mouth before my brain, and came out with “You. This is probably the hottest thing I've ever seen. Bri pushes Amanda into the bed and straddles her, never breaking their embrace. Amanda pulls Bri's shirt over her head, and starts molesting her perfect b-cup tits. Robert and I are now standing I awe watching this beautiful thing unfolding before our eye.Bri reaches around and unclasps her bra, and is now topless, I am now seeing my sister topless for the first time ever. She reaches and pulled Amanda's shirt off and pulls her bra off as well..