Plenty more where that came from

“Fuck” you heard Sarah mutter under her breath, your sister trying her best to now recover.

It was certainly an ego boost to make her like this after you had barely even started and when you slowly started to move again when it felt like she had recovered, she was still very vocal about how good she was feeling.

“Oh god fuck, this is… fuck me, fuck me…” she rambled under her breath, not even really processing what she was saying as the pleasure hit her wave after wave.

At first you had rocked back and forth to slowly grind your hips against hers but now you slowly pulled back, leaving just the head of your cock inside her before you pushed as deep as you could go.

The pleasure for you was also greater than you expected, feeling how tight Sarah was and just seeing her reactions was filling you with an electrifying feeling that was hard to feel anywhere else.

You assumed the small amount of the pain she might be experiencing was being converted to pleasure and that was what was giving her the boost you were witnessing but given the slow pace you were taking with her you really didn’t think there was that much that could be causing her any harm.

While taking it slow, you felt like you could still let your focus be on Sarah before you got swallowed by your own lust, so you tried whatever you wanted that you hadn’t so far to see what got the best reaction out of your sister.

You moved up into a sitting position and with Sarah’s hips still raised, you were still able to slowly fuck her without stopping your movements, Sarah’s legs still wrapped loosely around your waste now that she wasn’t in the middle of a climax.

That made it so you could look down at her body and with her tits now a few cup sizes bigger thanks to the KDK, you got to watch them rhythmically bounce alongside your thrusts, one of her arms moving up to cover her eyes as she felt your gaze on her.

You let your hands move to her waist in that moment, thrusting into her as deep as you could go before you grabbed her sides in an attempt to push her further towards you. That seemed to get a reaction out of her as her free hand moved down to lay flat against your stomach just above your cock. As if she needed the support to handle how deep your cock was going inside her.

She still mumbled under her breath but whenever you did something she didn’t expect, her words would briefly stop and her abs would tense up, making you smirk while you had the chance until you found the next thing that would throw her off.

You ran your hands slowly up her sides so you could start playing with her tits again, running a thumb over her nipples before realising you could be a bit rougher.

Thanks to her active effect, you placed both her nipples between your fingers and pinched them, hoping the pain would then be swapped due to the effect.

The effect on her was immediate, making her arch her back up off the bed as the spike of desire coursed through her body, also making it easier for you to hold onto her in the process.

That seemed to be the catalyst for setting off another orgasm for her as you felt her pussy clamp down on your cock and for the first time, you had to prepare yourself otherwise you might have joined her.

Your hands moved to be just under her arms and you held her to try and steady yourself, closing your eyes in an attempt to let the wave flow over you rather than it taking you like it had done with Sarah.

As you held her sides, it was easier for Sarah while she had tensed up to join you in sitting up, the both of you now hugging in the centre of her bed while your legs fell behind each other, almost in an X pattern.

She took a moment to recover and then she wrapped her arms even tighter around you, pulling you deeper into a hug as if trying to physically be as close to you as possible. That had the side effect of pressing her tits firmly against your chest and when your dick twitched in response to that, Sarah clearly noticed, pulling her head back from where it rested on your shoulder to look you in the eye.

“That was all it took to excite you? Even after everything we are doing?” Sarah asked. The smile still on her face telling you this wasn’t a serious topic for her.

“Of course, you have some great tits” you replied, moving your hands from behind her back where you had returned the hug to now be at her front, playing with her boobs while you had been given the opportunity.

You did the same thing as before which had set her off and acted a bit more aggressive in your groping, pinching her nipples and generally being a bit rougher with your treatment of her body.

Sarah in return closed her eyes and you watched her bite her lip and she luxuriated in the feeling, still managing to keep her wits about her as she opened her eyes after only a few moments and returned to staring back at you.

“If you get to do that then how about this?” she announced, changing her position on your lap.

She only made a small change but she now moved her hips to ride your dick, twisting left and right in a way that made you reconsider teasing her for this long. She saw and probably felt the effect she was having on you and now it was you who was on the defensive, having to control yourself more after having been keeping yourself on the calmer side all evening.

Even she then started to experiment with what seemed to get the best reaction out of you at that point, moving her hips in circles, raising them up and down slightly to fuck you. Doing anything she could think of to really get you going as quickly as she could.

You tried to lower your hands to hold her steady but she **** you to keep holding her tits, pressing herself forward against your chest so your arms were stuck in between the two of you.

Her arms wrapped around you again as she really started fucking herself on your cock, the little moans and her more ragged breathing right in your ear adding more fuel to the fire as you could barely hold yourself back.

“I can feel you twitching again” Sarah whispered in your ear, her own words telling you that she was struggling alongside you even as she continued to speak.

“You wanna cum right? Well you can. You can cum in me whenever you want from now on. Just bend me over and fuck me. Whenever. Wherever. God this has felt so good. I want you to fuck me. Use me. Control me. Do whatever you want and I’ll…” Sarah explained, her words getting more heated until it was too much for you to bear.

In the fog of lust that clouded your brain, you realised you needed to be in control like she said, deciding at this moment to push her back onto the bed so you could set your own pace.

It took only a second to readjust but you increased the pace while you were above Sarah and her legs desperately clung to your back.

“Fuck, fuck yes. God fuck” she ranted, loving every second.

The opposite of Sarah’s hip teasing, you took long strokes and felt how wet she was on every inch of your cock, feeling her tight pussy grab you and pull you back in every time you tried to pull yourself away from her.

You were already close before but now you couldn’t hold back, feeling your climax hit and knowing it was going to be a big one.

Your hips pressed forwards as far as you could go as you felt your cum shoot as deep into Sarah as you could manage. You could tell she was completely draining you even as you managed to pull and push your hips one more time, it became impossible to move once you felt Sarah’s climax start shortly after your own.

Her pussy gripped you tightly and even she wrapped her arms and legs around your body from underneath you, her nails digging into your back as she held on. You knew it would leave a mark on you but neither of you cared, each clinging to the other as you completely emptied yourself inside her.

It felt like the pleasure had spiked to new heights multiple times but each time felt like a new peak for you, leaving you almost breathless as you tried everything you could to stay aware in this moment.

With the both of you breathing heavily for at least a solid minute after you had both had your orgasms, only then did you feel like you could loosen your grip. Still, even with that, you needed more time to recover and you stayed loosely in each other's arms for far longer than you had expected to need.