The first few times were mundane. The Fosters children, six-year-old Bethany, and three year old Wendy, were sweet, quiet girls who never caused a pro...blem. Sitting for them usually involved spending an hour or two studying while they played a quiet game or watched TV, and then assisting them in their evening baths and brushing of teeth before bed. They would be in bed by nine, and the Fosters usually arrived home before ten to pay and send me home.It was in January when for the first time. On my back, I began working my smooth legs up the wall vertically. Sir,realizing what was about to happen, laughed heartily while grabbing ahandful of Mistress's hair, urging himself deeper down her throat.I couldn't help but stare at my reflection in the large ceiling mountedmirror. It was originally mounted for Sirs pleasure but also had the sideeffect of increasing my humiliation as I witnessed the setup for myperformance.With a pop, Sirs cock fell from her mouth and she straddled him in. I didn’t waste any time as this guy was supposed to be at work… and I have a ‘job to do’.I moved closer, took it in my mouth and worked my oral magic on him. My tongue flicking over his cock, as I bobbed my head up and down. He was groaning loudly saying ‘’suck it, suck it til I cum… suck it babe, suck it’’. I stopped for a second, giggled to myself and closed the back door! Don’t anyone else seeing (or do I lol?)Back to work and I could taste his pre cum straight away. I took him deeper in my. We sat patiently outside the door. We were both physically and mentally exhausted, but we had to do this at the meeting, or we would lose everything.Samuel was the first to open the door to let us into the meeting room. All the others sat in their chairs, staring at us as we sat down."First," Donald said as he looked at us. "We want to congratulate the two of you on a job well done."The others nodded and clapped as they looked at us."What you have accomplished in a short amount of time, is.