Star and Sky steeled themselves to even consider this idea. After all, they would essentially be performing sexually, with an audience, of sorts, just for the sake of trying to push their powers as far as they could. That was an all too familiar scenario that both of them still had nightmares about almost every time they went to sleep. Though, as similar as it was, it was also different this time too; and it was for a good reason, as Star had stated. And that’s the part they tried to concentrate on to give themselves the strength they’d need to hopefully do something amazing.

With deep breaths, they looked over at where Crista sat on the bed, her expectant gaze glued to them both. They each sighed and Sky finally made his voice work, “toss us that cover, Crista” he asked, though in a near whisper.

Not able to help an even wider smile, Crista spoke, “I’m perfectly fine with you two... being in my bed” she finished hoarsely, her desire for them both becoming clearer with each moment of anticipation.

“Maybe if this round doesn’t work” Sky shook his head, “for now we’re gonna at least try to preserve some kind of...” he shook his head, “for now, we’re gonna at least try to keep it PG-13” he stated as he reached for the cover as Crista scowled slightly.

“I’m over thirteen” she scoffed as Sky took the cover from where she was now on her knees at the edge of the bed closest to where they were still seated on the plush black carpeted floor against her bedroom wall.

“Barely” Sky mumbled, but said nothing else as he moved to cover he and Star from the waist down as the two took another breath.

The two tried not to look directly at where Crista waited with baited breath. Instead, they each took another deep breath of their own as they looked at each other and slid their hands out of sight beneath the cover that was now wrapped about their waists.

With another breath, Star’s hand began moving to undo Sky’s pants beneath the cover, as he also moved to slide his hand under her skirt, up her inner thigh and to push her panties to the side to allow him access to where that wetness had already begun in her, which was one improvement over most of the times that they had had an audience just waiting for their powers to kick in.

The two then began moving their hands in the exact way they knew would please one another as they did all they could to remain as quiet as possible. Once they each started shaking breathlessly at one another’s touch, Sky remembered exactly how important this was, and how little time they had to accomplish it. Though he was definitely worried about Star’s ability to keep silent through that other, much more intense brand of orgasm, it was a risk worth taking to accomplish what they needed to accomplish. On that thought, he moved his fingers more urgently, once again easily finding that sacred spot inside her. As he started to come, he touched Star the way he knew would result in that all consuming pleasure in her. Only another moment passed before her body shook violently, the nails of her free hand digging into the carpet next to her, as all that wetness poured from her again and she used every bit of her will to turn a scream of pleasure into a loud moan instead.

Both leaned back tightly against the wall, barely able to breathe, Star feeling as though her heart just may burst right there. Crista just stared on, having quite a bit of trouble breathing herself as the two older teens struggled to calm their bodies again in the aftermath of their pleasure.

“Oh...my...god” Crista breathed as her eyes remained glued to where they still fought for some form of calm to come to them again.

Both still closing their eyes tightly against the passion they had just enjoyed, Star let out a choked laugh at Crista’s words, “I think that’s my line.”

Of course, that statement caused all three of them to let out another breathless laugh as Sky at least managed to open his dark eyes again not able to keep from noting Crista’s eyes on them both. “Does that still count as PG-13?” he smirked.

“Well, I didn’t see any skin, unfortunately” Crista replied as the two older teens just allowed another breathless laugh. After another moment, Crista spoke again as, aroused as she was, she was still more capable of speech than either of them at the moment, “am I supposed to go check on her again now?”

Sky shook his head up at the ceiling, almost able to breathe again, “may as well, cause I think we’re gonna need a minute” he then looked over at where Star was still trembling, trying to catch her breath, her head still back against the wall, her eyes still closed. He then added, “Star might need a few” he added as Star and Crista both allowed another breathless laugh.

When Crista finally returned from her latest check on Cassie, she returned with a scowl, “I think she heard that moan, judging by the way she was looking at me” she shook her head.

“Sorry” Star managed in a small whisper, then added, “it was his fault” as she gestured to Sky as he just shook his head down at her, though smiled through another blush.

“No kidding” Crista swallowed as she allowed her eyes to travel over Sky with obvious desire again.

“Your sister?” Sky interrupted her appraisal.

“Oh, um, well, she was able to actually to squeeze the ball this time” Crista offered, then smirked, “and that sounds really bad right about now” she couldn’t help another laugh.

But Sky and Star simply sighed, as Sky shrugged, “it’s progress I guess.” After another pause, “so are we just moving onto oral now, or what? Cause I’m pretty sure we can’t PG-13 that one.”

Crista just shook her head, “I have seen porn you know” she scoffed.

“Yay, our parents will be so proud we’ve found a career that fits our skills” Sky scoffed.

Crista shook her head again, “I’ve heard about the stuff that happens at the club you two used to go to every week. I’m sure you’ve done stuff in front of other people before” she called them on it. They both just looked at each other again at the sound of that understatement.

“Yeah, but...” Sky just shook his head.

“But what?” Crista had to ask.

That was when Star finally spoke up, “yeah, but it’s obvious you’re attracted to us. We’re just not sure how comfortable you could possibly be watching us... do those things.”

Crista scoffed, “sounds like you two are more uncomfortable than me.”

They shook their heads, not able to deny the fact. Sky then finally spoke again, “I think the real difference here is that we’re not used to doing this in front of someone who’s... into us” he decided on, “I mean, without them being involved too” he added more quietly.

Crista then nearly forgot to breathe again, “was that an invitation?” she whispered hoarsely.

“And that would be why” Sky shook his head, biting his lip nervously, as Star shared a similar expression.

Then Crista let out a sound of impatience as she took her seat again, “why would that be such a bad thing?” she had to ask, her voice barely making it past her lips as she seemed desperate to hear their answer.

“Yeah, this all is kind of a bad idea” Sky stated under his breath, moving his hand through his black and white-streaked locks with a bit of stress apparent.

“But why? You guys did practically just admit to weekends full of group sex, and most of those were probably when you were the same age as me. Why is it so strange to consider now, with me?” she asked softly.

Sky was even more uncomfortable then, as Star also averted her eyes. He finally tried to find some words to explain that discomfort about involving this girl in any of that sort of activity with them, “that’s the thing about any kind of group sex type of stuff; it’s not really for people like you” he attempted, though his words lacked volume.

“People like me?” she asked, trying not to be hurt until he explained that comment.

“Virgins” Sky supplied, though even more quietly.

Crista scoffed slightly, “well I wouldn’t be a virgin afterwards, would I?”

Not able to argue that particular possibility, Sky tried to further explain, knowing that time was still very much an issue. But this was also an issue, and it needed to be addressed before they could even try any more of their attempts at sexual healing, of some sort.

Struggling for his words, Sky made some attempt at a better explanation, “just think about it Crista. If I were to come over there and take your virginity, right here, right now. How would you feel... afterwards... about me?” he clarified more quietly.

“You mean the part after the mind-blowing orgasm that you’re apparently an expert at providing?” she asked in the same breathless tone.

Sky looked down again, “yes, after that part. How would you feel about me, honestly?”

“Thankful?” Crista shook her head, not sure what answer he was really looking for here.

That was when Star spoke up, though softly, “you’d fall madly in love with him Crista. Trust me, I know” she added with a sad smile.

“That’s not... necessarily true” she offered though her voice was small, proving that she knew it was a very real possibility, as smitten as she already was with him.

Star allowed another sad smile, “you’re already halfway there, Crista” she said, though gently, “and believe me, I’m not blaming you. I am an expert at knowing how impossible it is not to fall in love with Sky. Especially after sharing something like that with him.”

Then Sky had to add to the conversation again, “and I like you Crista, I really do. I’m even attracted to you” he admitted as her eyes lit up, causing him to continue, “but that’s why I don’t want you to let yourself fall for me, like that. I’m already madly in love with someone else” he gave Star a small smile, “and I don’t wanna hurt you by not being able to feel that way about anyone but her, ever” he offered her another sad smile.

Crista just sighed sadly after taking several long moments to think about the fact that Sky could even manage to reject someone in a way that made him that much more lovable. Another sigh as she finally stood and spoke again, “I suppose I can find another room to be in for the next round” she shrugged slightly before heading out of her room with another sad sigh.

After hearing Sky’s rather touching explanation for them not wanting Crista involved in their intimacies just then, the younger girl forced herself to spend the rest of the evening with her sister. The two of them hardly were the best of friends, to say the least; but at least this way, she could give the two teens locked in her room across the hall hourly updates on any new developments their passion might have led to.

As the clock struck eight pm, the two lay back in Crista’s now sweat soaked bed, trying to catch their breaths once more. Trying to find her voice as they both lay there nude atop the sheets, each running their hands through sweat-damp locks as they tried to recover from their latest orgasms, Star finally spoke, “do you realize we’ve now been making each other come for about five hours straight?”

Sky let out another heavy breath, “sexathon, not for the weak of heart, literally” he added with another breath.

“Thank fucking goodness we went and got me on the pill again” she scoffed.

“Thank goodness they just hand them out for free at that clinic. That was back before mom and dad knew all about our wicked ways.”

After another moment, Star sighed again, “as much as I’d love to do nothing but spend the rest of our lives making love,” she began, “are we still thinking this is gonna work?”

“Like you said, we may have already finished fixing her, that first time; but it just takes time for the fix to be complete? I don’t know. I really don’t” he admitted sadly, “and it’s eight. Dunno how long it’ll be before they demand we get our asses home again” he added with another sigh.

“Plus how long do we plan on locking Crista out of her own bedroom and forcing her to spend the evening in a room with that girl instead” Star added.

“That girl being the one we’re breaking world orgasm records to try to heal?” Sky smirked.

“Yeah that one” Star mumbled.

“As disgusted as she was when she saw us making love that first time” Sky shook his head, “if she only could see us now.”

Another long moment as the two each heard their text alerts go off, and sighed as they shakily sat up to reach for their phones. Not surprisingly, it was their parents not so gently suggesting that they find their way home already. They then both sighed as they set their phones aside and leaned back against the headboard with a slight sound of defeat.

“So are we admitting defeat?” Star asked sadly.

“Do we really wanna risk being locked up in some lab again?” Sky reminded.

“Well I don’t know what else we can try” Star sniffled.

That was when they got another text from Crista which read, “while I’ve been stuck in here all night, I’ve been cross-referencing healing spells with sex spells. I think I figured out what you actually need to try; but I don’t think you’ll like it.”