.. but you manage to push it up enough to spread my legs a bit. You have your knee in between so I won't close my legs. Still holding my wrists captiv..., you work your other hand up my skirt... searching for the non-existent panties. You get your confirmation but your hand lingers... fingers exploring my cunt. I am trying not to moan... it sounds loud in the empty office. I am wet. You pull your hand out and lick your fingers... and with one swift movement you pull me off the desk... and turn me. He said something about always wanting her to ride him. But this was not his night. While Mare was grinding he offerred his cock which Mare took in her mouth greedily. Eventually I went low, took Nick by the base, aimed up and parted her lips. No more hig school grinding. She accepted, pressed but nothing. Got some KY, lubed his shaft and smacked a gob from my palm into her parts. Second push had a cockhead make entry with a vocalization from Mary Ellen. "Little out, a little more in,. "Come along then Denise. You know Stan won't be trying to hurt you. You can do this. Let's get together at lunchtime and you can tell me all about your disastrous love life, and I can commiserate and tut-tut and act all scandalised. How's that?"With a shaky grin, Denise answered, "O-okay then, Elizabeth, you're on. You can tell me what I'm doing wrong!"Stan returned to his desk since Denise was missing, and began taking care of routine work.After reapplying some makeup, Denise left the Ladies. She sat up and forced herself between my legs and kissing my mouth again, our naked tits pressed together, my hands running down her back and gripping her thong as she wriggled I pulled it down and soon she had wriggled out of it. Now I had my hot little sister naked on top of me, our hearts racing as she pulled me over, now I was on top and she wrapped her amazing legs over me, she looked into my eyes and told me to grind my pussy into hers, unsure I started to buck and she grabbed my bum.