I've edited the original story to make it not end so quickly. Thanks for all the helpful feedback, especially that second anon comment. The changes are late in the story, and I hope this version is better.
Enjoy!
I dropped onto the couch with a sigh of relief. It had taken an hour and a half of chasing the little brats I babysat around the house trying to get them all into their pajamas and then into bed. Then, of course, it took another hour just to get them to shut up and stay in their room and go to sleep. I didn't much care if they were in their beds or sprawled out on the floor, as long as they were asleep.
With several more hours to go before the father of the terrors came home, I grabbed the remote and started flipping through the channels. With the parental control password entered, I had access to every channel except pay-per-view. Cinemax had the usual bad acting and fake sex on at this hour, but I needed something more in order to unwind. Knowing he would take the money out of what he owed me for the night, I ordered the adult channel bundle and got up to grab my bag from the kitchen cabinet where I hid it from the kids. From the bottom I pulled a small bottle of lube and my favorite toy and then went back to the couch in the den.
When I had started working for the single father, it had occurred to me that he may be looking for something more than just a babysitter. I had worn a flirty skirt and low-cut top, only to find I was interviewing with a man who was run ragged by his three sons and still recovering from the loss of his wife. Now, I showed up to work each morning in jeans and a t-shirt to take the kids to school and came back to keep up the house. I had all day long to do whatever I wanted, as long as the housework was done. It was the after-school routine of the three rambunctious children that wound up my stress levels to heights I had never imagined possible for what should have been an easy job. It hadn't taken me long to find out that the old couch in the den was the perfect place to play since it was beside the garage and as far from the kids' room as I could get. It was also a very deep couch with thinning cushions that exposed the frame and gave me a convenient place to prop my feet.
My juices had already started flowing as I watched the scene play out on the big screen. The woman was standing with one man ramming her from behind as another man licked her cunt and the other's cock. I reached between my legs and started massaging my pussy lips, enjoying the heavy feeling that got stronger the more aroused I was. Propping one leg across the couch I was able to spread myself wide. The moaning from the television was getting me hotter as I rubbed my slick slit from my hole and up to my clit. I knew this wouldn't keep my attention for long, though, so I grabbed my dildo and started to lube it up with my own juices as I pinched and squeezed my nipples to erection.
The sensation of the ribbed toy rubbing roughly over my clit had me gasping and I arched my back as the man who had been fucking the woman switched places with the man who had been eating her out. I shoved the 9 inch dong into my wet cunt as far as it would go just as the man bent the woman over and did the same to her ass. Leaving the toy inside me I started to pinch and flick my clit as I felt my pussy squeezing around the firm toy. I was so distracted that I didn't hear the car approaching until the garage door started to open, but by then I was too lost in the sensations to care if the man walked in on me watching porn while his sons slept upstairs.