You’re her older brother. She expects you to look after her!”“Hey, I didn’t threaten her! In fact, I warned her to look before crossing the ro...d.” Al stopped to take a breath. “Everyone’s okay, no one got hurt.” He approached the dining room table to examine the cake. His sister joined him as he scooped some icing for a quick taste. “Hmm, that’s terrific!”Their parents stared at them, unable to respond. Finally, their mother formulated a response, her frustration rising. “You ... were ... both. ”“It’s a normal erection,” I said. "Errm, you do know what an erection is for, don’t you?”“No.”“Has your mum covered sex education yet?”“No.” I knew Matt’s parents were a bit shy about talking about sex and it looked as though they hadn’t even touched on the basic functions of the body.“Can you tell me why this happens, Aunty Jen?”“Okay…” I'm really not sure about this and focusing was proving difficult with a large erection in my face and my pussy starting to gush. "Right, girls are made. He rolled onto his back and mom lowered herself onto his penis. She was riding him with a look of pure delight on her face, Mark grinning at her. She placed her hands on the headboard and caused it to crash against the wall.“Yes! Yes! Yes!” mom screamed.While her hands were on the headboard, I got a clear view of mom’s wedding ring. I shamefully became aware of the throbbing erection in my pants.The couple changed positions once again. This time my mom was facing the hidden cam while Mark. She caressed his buns as they did it, loving the feel of them on her hands while Billy took her. She also enjoyed the idea that he had proposed, which was that both Robert and he try hard to knock her up between them. In fact, once Robert recovered from his encounter with Sarita, they were to swap places. Billy was to fuck Sarita while Robert screwed Lena.What neither man realized was that Sarita had recovered much faster than any of them expected, due to both the nannites and the ability to.