Another use for her lips

You put more **** into the kiss and Sarah only seemed to respond more passionately than before. Treating her more like an object of desire was hard for you to get used to but whenever you felt like you were pushing the topic, Sarah just seemed to love it more and more.

You could roughly guess her new limits now that the KDK had told you how far she was willing to go and you couldn’t say you weren’t excited for what was going to happen next. You had imagined various ways this could go down but what you wanted to see the most was what immediately popped into your head. You continued to kiss your sister as you undid the zipper on your jeans before taking her hand and bringing it down to your dick.

“I want you on your knees” you ordered after breaking the kiss.

Sarah’s eyes seemed to light up instantly and the two of you started to move to the edge of her bed. Sarah grabbed a pillow from where she had been laying and placed it down between your legs before kneeling directly in front of you. You manoeuvred yourself and lowered your Jeans as Sarah took hold of your dick and started to stroke you.

Given she was still fully dressed, you leaned forward and grabbed the hem of her top and pulled it up over her head, making Sarah’s attention on your cock briefly falter as she lifted her arms for you to undress her. She made no attempt to stop you and even took off her bra as if it was the most natural thing to do next.

She immediately continued pumping her hands up and down your shaft now that she was topless although you wanted to get to the main event, you couldn’t help but notice that her tits did appear to be bigger. An increase in a single cup size wouldn’t have been that noticeable but with the amount you had been seeing her breasts recently, you were pretty confident that they had got bigger.

You didn’t want to interrupt her now and lose momentum but you made a promise to yourself to fully appreciate the change once the full 24 hours were up. Sarah kept her hands at a steady pace but her line of sight kept changing from staring at your cock to looking you in the eye, almost as if she was just as excited for you to give her another command as you were.

You weren’t quite sure how to bring the topic up so you started by placing your hand on the top of her head before slowly drifting it down the side of her face and resting one of your fingers against her lips. Sarah seemed to take the hint and ran her tongue along your finger before wrapping her lips around it. She kept one hand working your cock while the other held your wrist to keep it steady. She kept her eyes locked with yours after that and starting to match the pace of her hand to be the same as her lips.

The imitation act was adding to the pleasure you were feeling but you couldn’t help aim for the real thing now that you were so close. Taking a more assertive approach that you knew Sarah would have no issues with, you moved your hand away from her lips and back to the top of her head before putting slight pressure on her to push her towards you. It didn’t take much before Sarah started to move on her own and understand what you wanted.

She brought her lips to the head of your dick and slowly started kissing the tip, placing her lips against you and then repeating further and further down your shaft. Each little contact left you tingling and **** you to grip the sheets tighter in each hand as she continued moving down. She reached the base before sticking out her tongue and running it all the way back up to your tip, giving you goosebumps and almost making you shiver.

From that point, she started to experiment to see what you liked the most before tentatively wrapping her lips around the head and lowering herself further down. You had no way to tell how good of a job she was doing as you had nothing to compare it against but she was certainly making you feel amazing. You had to look away a few times as you tried to get used to what you were feeling but whenever you felt like you could manage to look, Sarah was looking up at you and trying to see from your expression how much you enjoyed certain movements.

You weren’t sure if Sarah was just a quick learner or she was just passionate about getting you off but every move she seemed to make drew you closer and closer to your climax faster than you had expected. At some point, she had felt comfortable enough to get her tongue involved and you couldn’t help but groan as she combined it with her lips which continued to slide up and down your shaft. You were sure you wouldn’t have lasted this long without the KDK upgrades you were given and even with them, you were struggling to withstand it.

You held yourself back and delayed your release as wanted this to continue for as long as possible but the hungry look in Sarah’s eyes as you looked down made your concentration slip. You knew you couldn’t hold back and Sarah seemed to double down on her efforts once she realised herself. She continued working your shaft with both her hands and started to use her lips solely on your head, flicking her tongue whenever she could just to maximise the pleasure you would feel.

“I’m gonna cum soon” you warned, expecting Sarah to release your cock from her mouth but she only seemed to tighten her hold on you and stroke you even faster. Your grip on the sheets didn’t feel like it was enough and as you finally started to climax, you were **** to move them to the sides of her to steady yourself.

The first ropes shot out and filled Sarah’s mouth. She didn't seem to expect the sheer amount to fill her mouth as some cum dribbled out from the side of her lips before she was **** to swallow some of your load. Even with the unexpected amount, Sarah looked to have no intentions of pulling away and with you holding her head, it looked like she couldn’t even if she wanted to. She swallowed a second time and it felt like she was milking your cock to prolong your orgasm for just a little longer.

The waves still continued even after you had stopped cumming and little jolts of pleasure shot up your spine. Sarah still had your dick between her lips but she sadly had to pull back after you finished. The sight of her half-naked was almost enough to get you hard again and the trail of cum that had escaped from her mouth didn’t make her any less arousing to look at.

As if just to tease you, she opened her mouth and you saw what was left of your orgasm pooled on her tongue before she tilted her head back and took a pronounced swallow. She once again showed you her mouth which was now empty before scooping up the cum she had missed with her finger and feeding it to herself.

“It’s not as bad as I thought it was gonna taste” she admitted, licking her lips as if trying to find any more of your cum that might have been left behind. You couldn’t do anything but stare and felt like the little energy you had left was just enough to make a comment or two in your favour.

“Well, you better get used to it” you demanded, trying to act the part even while feeling exhausted.

Sarah seemed just as happy as you were at the prospect of her sucking your dick and bounced happily as she knelt, jiggling her naked upper half slightly as she moved. The sight was something you wanted to enjoy more but you collapsed back on the bed to catch your breath.