We've been fighting like... well, step-brother and step-sister lately and lord has step-mom decided to get us back. She wants us to fuck right in front of her today. She's instructed me to go ahead and get you hard before she comes in the room so I start by giving you a handjob and talking to you about how your big step-sister is stroking on your penis. This doesn't get you hard, I'm not doing a good job. When step-mom walks in the room and sees your flaccid cock, she immediately starts sucking it and getting it hard (implied by my reactions). You cum in her mouth within a minute and I giggle that she turned you into a premature ejaculator. But step-mom doesn't think it's funny - I'm next?!?! What !?! She has you eat out my pussy until I cum and end up with a big cheesy smile on my face but still mad that I came in my own step-brothers mouth. step-Mom, you really don't have to watch anymore. She says she wants to hear sucking and fucking for the next few hours. Yes, step-mom. We start fucking. I twerk the entire time we fuck (implied) and talk heavy on the bro/sis talk, cumming together and loving every second of it (secretly)!