I just bit the bottom of my lip and nodded as I slowly grinded my hips and began riding his cock; slowly at first by lifting myself up and down. I was...now biting my lip more frequently as it was also having an effect on my now very wet pussy. Sliding up and down his cock soon became very easy; he loved it too.“That’s it slut perfect; fuck me”. He reached out and rubbed my tits as I built up speed in my grinding of his cock. “Come on slut, harder”. He then suddenly became pissed off for some. 'What's the answer?' he whispered, not wanting to alert the teacher on the other side of the room dealing with a slacker.I nonchalantly pass my -already completed- paper to him. 'Thanks, man.' I turn my eyes back to the front of the class. After a minute or so of rereading what was on the chalkboard, I started to glide my eyes along the classroom. As usual, they stopped on dear sister sitting to the upper right of me. I wasn't sure if she was already done or just didn't care, but she wasn't. He had taken his shoes off resting his knees is the holes where his feet go giving him a great barrier between his knees and the ground below him. He was just tall enough compared to the bench that the his dick pushed up into her pushing their sensitive spots together as he slid into her for the first time. He began to create pleasure, pumping his hips into hers consistently. He wanted her to feel her lips pumping in and out. They both periodically involentarily shook in pure peace and. I ditched my usual swimming activities in order to just spend the time with her. We got some coffee at one of her favorite places downtown. She then asked if we could go to an area here that we call Montaña De Oro - which has trails and ocean air. We walked one of the trails and ended up at an overlook - peering over the edge - with the waves crashing on the rocks 100 feet below. She stood too close... I knew what she was thinking. I stood by her, ready to grab on and hold her back if she.