Bonds of Power
Copyright© 2025 by SomethingLewd
Chapter 6 – I don’t think this is what they meant about sex being a ‘workout’
Science Fiction Sex Story: Chapter 6 – I don’t think this is what they meant about sex being a ‘workout’ - In a world where magical incursions known as dungeons threaten humanity, a select few are marked with classes that grant them extraordinary abilities to combat these threats. At the age of 25, Ethan, along with his twin sister Alice and girlfriend Penny, receive their classes. Ethan's class is anything but ordinary. As an Essence Bonder (S Rank), he has the unique ability to create powerful bonds with others through intimacy, generating essence that enhances his power and abilities.
Caution: This Science Fiction Sex Story contains strong sexual content, including Ma/Fa Fa/Fa Lesbian Heterosexual Fiction GameLit High Fantasy School Science Fiction Magic Sharing Incest Brother Sister Group Sex Harem Polygamy/Polyamory Cream Pie Exhibitionism Facial Masturbation Oral Sex Voyeurism
The trio made their way back to Ethan’s dorm room, the night air chilly around them. As they entered, Penny flicked on the light, the soft glow of the bedside lamp casting a warm light over the small space. Ethan closed the door behind them, and Penny immediately turned to him with a mischievous grin.
“Alright, let’s get started,” she said. “We need to figure out how to generate enough Essence for Alice to be Imbued and I’m just going to be blunt. We know Essence is created from touching, kissing, and so on. None of that compares to an orgasm.”
Ethan sat down on the loveseat and Penny followed him, leaning against his side. “I’m not saying that needs to be what we do, but we should be comparing how much essence is created in comparison.”
“Alright...” Ethan thought out loud. “Let’s start with something simple and escalate from there. We can see what actions generate how much Essence and see what we would need to do to have enough to Imbue.”
Penny nodded eagerly. “A hug, maybe? Let’s see if that generates any essence.”
He lifted his arm up and around her, pulling her to him, squeezing her into a tight embrace. They held each other for a moment, but when they pulled away, Ethan could feel only a slight trickle of essence. “It was something, but hardly enough to notice. If I had to guess. We would need to hug for a few minutes just for a heal or a few moments of Boost.”
“Okay, let’s try a kiss,” Penny suggested. “A simple, chaste kiss.”
Ethan leaned in, pressing his lips gently against Penny’s. The kiss was soft and tender, but the essence generated wasn’t anywhere close to enough to Imbue, even if it provided more than the hug.
Penny nodded. “Okay,” her voice filled with enthusiasm, revealing how much she was enjoying the testing. “A deeper kiss this time.”
Ethan took a deep breath, glancing over to where Alice was watching them. This was far from the first time he and Penny had kissed in front of her, but this felt different. He knew what he was doing now might have the veneer of ‘testing,’ but reality was, he was practicing to do the same to Alice. Bringing himself back to the moment, he leaned in again, his lips meeting Penny’s with more intensity. The kiss deepened, their tongues entwining as the Essence began to flow more steadily between them.
“Mmm, that’s better,” Penny murmured, “Almost toe curling, but not quite. We need more, let’s try cuddling while we kiss.”
Ethan leaned back into the loveseat as Penny lifted herself to sit sideways in his lap. Ethan’s hands found their way to the small of her back and the back side of her thigh, pulling her against him. Penny reached up, the tips of her fingers guiding his lips towards her. They kissed, their bodies pressed together as the essence continued to build greater than before, their closeness showing how Essence built not only from the intensity of the act, but off of real intimacy.
Penny pulled back from the kiss, her cheeks flushed. Having Alice watching her as they kissed was having a surprising effect on her. She knew that exhibitionism was a kink of hers, but acting it out for real was turning her on far beyond what a smutty romance novel on the subject had ever done for her.
Alice was unsure how to behave as she watched her brother and best friend making out in front of her. Where did she put her hands? Was it okay to say something? Watching the way Penny guided him to kiss her was so hot...
“Earth to Alice, do you copy?”
She snatched her hand up and felt her cheeks burning bright red as she realized she had been touching herself as she stared at them.
Penny laughed as she caught her friend spacing out. “I’m glad you’re enjoying the show.” She teased.
Turning back to Ethan she spoke. “Okay, let’s try something more ... hands-on,” she suggested, her cheeks flushing slightly. “Groping, maybe?”
Ethan hesitated, the idea that Alice had just been touching herself stuck in his mind. Through the material of her pants, sure, but still touching herself. The situation felt more real, now. Exciting.
Penny became impatient, grabbing the hand he had on her thigh and pressing it against her breast and leaning in to kiss him again.
Penny’s bold moves snapped him out of it and his hands began to play with her breast, the slightly self conscious feeling about doing this in front of his sister was overruled by the feel of Penny’s body. Penny responded in kind, her hands roaming over Ethan’s chest and stomach, feeling the firm muscles beneath his shirt.
“Okay, let’s take this to the next level,” Penny said, her voice thick with desire.
Penny lifted herself again, moving to straddle Ethan on the loveseat, her skirt riding up to tease the thin material of her panties underneath. His breath caught as she settled onto his lap and kissed him again. The Essence spiking higher once more.
“Penny,” he murmured, his hands instinctively resting on her thighs, feeling the soft material of her stockings, “This is ... intense.”
She smirked, her lips still close to his. “Good, that’s what we want, right? Let’s see how well this works.” She rocked her hips gently, grinding herself against him. The Essence surged, making her head spin for a moment.
Alice, still perched on the edge of his bed, bit her lip. She was trying to keep her composure, but the sight of Penny grinding on her brother was making it near impossible. She fidgeted, unsure whether to stay still or say something. “Uh, guys,” she stammered. “How’s ... How’s the Essence looking?”
Penny turned to look over her shoulder at Alice, her voice taking a teasing tone as she continued slowly moving her hips. “It’s good. Cuddling and kissing worked ... Still, though, nothing has compared to how much we created when I came. I still don’t have enough to try and Imbue again.”
She leaned forward to whisper in Ethan’s ear. “We can do more, are you okay with that?” Her voice missing the teasing tone from moments before, serious about making sure he was okay with what she was doing.
He swallowed hard, nodding his head. “I’m good. Keep going.”
She grinned, trailing her fingers down his chest to the hem of his shirt. “Lift your arms,” she instructed, and Ethan did as she asked. She pulled the fabric up and over his head, tossing it to the side. Her hands went back to his chest and she continued her slow grind on his lap. The Essence went still higher, reacting to their increased contact.
Ethan’s hands slid up from where they were on her thighs, squeezing as they moved up and under her skirt. He let out an involuntary moan as Penny began to kiss his neck, her lips and tongue finding his ear, sending shivers down his spine.
Alice shifted again on the bed, her thighs pressed tightly together. Watching them like this, so unrestrained, was driving her wild. She tried to focus on the purpose of the experiment, but it was hard to ignore the way her body was reacting. “So, uh, more skin contact means more essence...? She whispered, afraid if she spoke too loudly it might break the spell.
Ethan nodded, Penny’s tongue still tracing patterns around his ear. “Yea. It’s ... It’s like the closer we are, the more we touch, the greater it is.”
“Then maybe we should get closer,” Penny whispered in between teasing touches of her tongue on his ear. Her hands went downwards, seeking his waistband. “Then let’s get closer?” she asked, feeling an excited nod in response. She undid the button and zipper with a deliberate slowness.
He shifted his hips, begging her to continue, wanting her touch to continue. As she undid them completely she reached her hand inside, cupping his cock through his boxers, feeling it straining against the fabric.
Impatient, Ethan lifted his hips and began to slide his jeans down, Penny raising herself up to help him. He kicked them off, one leg at a time, throwing them to the side. “Your turn,” he said, pushing her shirt up.
Penny didn’t hesitate, grabbing the hem of her shirt and peeling her top off. She wore a simple black bra underneath, his eyes lingering for a moment on her before pulling her in for another deep kiss. Their bare skin touched, Essence flaring, both of them shivering as it did.
“Fuck, that’s a lot,” Ethan groaned out, feeling the energy spike.
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