Stepsister Tricked Into Giving Oral After Playful Prank

He sat up and while I continued sucking his cock, which was now permanently deep in my mouth, he gave my ass a couple tight squeezes and spanks making my pores stand up. Well never done that before.”
“Whew. “What happened?!”
“Ah. TO BE CONTINUED…. I was gonna jump in.”
“Shit…so what are we gonna do?”
“I don’t know but I’m horny as hell.”
“Me too champ. Throughout the night I would excuse myself for some time for Ben to slowly ease Kristen into the possibility of hooking up and then if everything went according to plan, I would enter later. She and Ben had only met once at my birthday party earlier this summer, and I wondered if he forgot that she didn’t have much to offer body wise. Ben invited her into the kitchen and emerged about 10 minutes later holding her hand and guiding her upstairs. I think I broke her in but I don’t know. It had gone wrong. I threw myself between his big, muscular thighs