Mom coming in and the discussion that followed certainly killed my hardon but definitely not the desire to do more with Sarah and when I said as much to her, she said she was still horny too but didn't feel like going any further with me - at least not that night. Shortly after, we both went to bed and I'm pretty sure that Sarah masturbated before going to sleep and I know I did.
Life pretty much continued but now that mom knew that Sarah was not only aware of what we were doing but that she was ok with it, there was noticeably less tension. Even better was that now mom was able to slip into my room for a quick fuck without working where Sarah was and sometimes I'd even spank her before we fucked.
About a week later, mom had gone to bed early so Sarah were watching TV in our pajamas - me in boxers and her in a oversize t-shirt, panties with no bra. We talked about what had happened - not only between us but mom's reaction to the whole story being out in the open. Near the end of the conversation, Sarah said she was still curious what it would be like to be spanked and then have sex so I told her we could go up to my room.
"I didn't mean right now!" she said.
"No, I didn't mean sex right now - I thought you'd enjoy some of the spanking porn I've downloaded."
"Oh ok, that sounds like fun."
We spent the next hour or so looking at spanking clips, a lot of them showed the people having sex afterwards and I'd made sure I bookmarked a few where there was someone else watching that the spankee didn't know about. Judging by her breathing and the hardness of her nipples she was really enjoying those ones. One of the videos had a woman blindfolded and tied laying over a table so she couldn't move while she was getting spanked, then fingered then finally fucked. When I heard a sudden moan from Sarah, I looked over and one hand was playing with her nipple and the other hand was underneath her shirt near the bottom - most likely playing with her pussy. When I asked Sarah why it turned her on so much she said, "Well, partly the spanking, partly her being restrained and partly that she really didn't have much choice when he decided to fuck her afterwards."
"When you go back to your room, are you going to get yourself off?" I asked her.
Kind of shyly she said, "Yes and I'll bet you're going to do the same thing."
"For sure... but I was thinking, we've already seen each other nude and we're both horny - why not watch each other get off or maybe even give each other a 'hand' with it."
With a smile she nodded and pulled the t-shirt over her head, exposing her breasts and then looked at me and then down at my boxers. I didn't hesitate long before they were off and on the floor to be joined almost immediately by her panties. Now that both of us were naked, Sarah said, "Mmmm, the last time I saw you naked it was pretty dark. My brother has a good sized cock!"
There was a slight hesitation from both of us and then almost at the same time, I reached down to gently stroke my cock and she cupped her breasts and started playing with her nipples. When she moved one of her hands down her belly and started teasing her pussy, I reached out with my other hand and took over playing with the nipple that had just been abandoned.
There was a quick intake of breath from Sarah and she tensed up slightly but as I continued to gently caress her nipple and breast she relaxed and shifted so I could reach her easier. A few minutes later, I noticed the other hand shift from her breast to my leg and then across to my cock. I couldn't count the number of times I'd stroked myself to orgasm over the last year but the feeling of Sarah's hand stroking my cock felt totally different and way more exciting. Knowing that she was ok playing with me, I reached out for her pussy. At first, I was just running my fingers up and down her slit but gradually I started sliding them in and out of her with each stroke and soon we were lost in the feeling of touching each other as we got closer and closer to cumming.
She came first, moaning and shaking as she came and the feeling of her pussy clenching on the three fingers that I had deep inside her was great. In fact it was great enough that the thought and feeling put me over the edge and it was only a few strokes later that I started cumming and cum I did! When the last spurts were done, there was cum on her hand, on my belly, on her belly and I could see a long line right across one of her tits.
"Holy shit - you cum a lot!" were the first words from her followed by "and so did I! Now you've spanked me without any sex and you've gotten me off without a spanking. That really makes me wonder what it would be like to get spanked and then have sex!"
"Well, I'd have to check but I'm pretty sure mom said something about going out this Saturday for most of the day. We'd have lots of time for you to find out if you'd like!"
Sarah's reply of "I'll certainly think about it" was definitely better than a 'no' so I didn't push any further and got up to get some Kleenex to clean both of us up.
The next night after supper we were all watching a bit of TV when Sarah innocently asked mom - "Can we go and do a bit of shopping on Saturday, I'd like to get a new bathing suit and want your opinion."
"Could we go Sunday? I've already made plans to spend the day with Suzie."
It was a good thing mom was turned away from Sarah and didn't see the smile on her face when she said, "Sunday would be great, I'll find something else to do on Saturday" and as she headed back upstairs to her room, she caught my eye and gave her ass a couple of pretend swats with her hand.
Mom decided to watch part of a Netflix series, Sarah had already gone to bed so I decided I might as well go to my room too. When I got close to Sarah's door, I could hear her moaning softly as well as a slight buzzing and as luck would have it, her door was open just enough for me to see her on the bed. I was expecting to see her fucking her pussy with the toy so I was quite surprised when I could see her laying on her back pushing the tip against her asshole instead. As I stood there, I was able to make out a bit of what she was saying and was already hardening when I heard, "Oh fuck that feels good"
As she kept pushing, more and more slid in until almost the whole thing was buried in her ass before pulling it almost all the way back out just to slide it back in again. "Oh fuck, Julie was right, a toy in my ass does feel good." Then she started fingering herself at the same time she was sliding the vibrator in and out of her ass until she started cumming a few minutes later. I was able to sneak back to my room just before Sarah came out and went to the bathroom. I was hard as could be but I forced myself not to jack off because I had better plans for that load the next day.
Mom headed out just after breakfast and about a half hour later she called and talked to Sarah. When she hung up Sarah groaned and told me that mom forgot to drop some clothes off at her other friends and wanted her to take them over followed by " would you drive me so I don't have to walk?"
I grumbled a bit but finally said yes and we were back home about 30 min later. When we got home, Sarah looked at me and said, "I've been thinking about it since we talked and every time I do, I get really horny. I'm still not sure on actually fucking but I'd love to get a spanking and then have you finger me until I cum like you did the other night."
"I've been thinking about it too and it's gotten me just as horny. I remember you playing with yourself when we watched the video of the woman tied to the table to get spanked. Just think how it would feel to be spanked, touched, teased and finally fingered until you came while you couldn't move."
"That sounds hot but she didn't look really comfortable on the table. How about on my bed?"
