A Surprise Visitor

Natalie trembled, her legs felt weak, and her arms were still bound behind her back, pressing up into the fabric of the sofa. Her nipples stung, the makeshift clamps which Wren had worked out of chopsticks biting down on them, the pulsing pain made her shudder, and it flared each time she moved. Her legs felt sore, the leather rope which was holding them open allowed her to relax not at all, and her muscles were rapidly starting to cramp. More than this, her womanhood was soaking, the tape which Wren had used to expose her pussy pulled at her labia, holding her open for the whole world in a way she had never quite felt before.

Wren's fingers traced over her body, probing and prodding, covering every inch of her. They were slow and deliberate, and they missed nothing. They were gentle, like a lover's touch, but it was a touch without kindness. as though Wren saw her simply as a tool to fulfil her own desires, a living sex doll, if you would, who she could **** into any situation, make her do anything that crossed her mind.

Natalie whimpered, the sound escaping the back of her throat as she felt Wren fingers circling her clitoris. All of this attention had already ensured that it was engorged with blood, and Wren already knew what to look for after the previous days. She found it quickly, pressing her fingers into it gently, the pressure was still enough to make Natalie's legs feel weak, though.

"There it is." Wren said softly, gazing at it for a moment. "That's your clitoris, Natalie? I have to admit, besides my own, it's the first other one I've seen in the flesh. You know, back when they taught us about that sort of thing, they used to say that girls have different levels of sensitivity down there. The other day, when you were tied to the table, it seemed to me that you were pretty sensitive. I always wondered just how far that could go..."

Idly, Wren rolled her thumb and forefinger around Natalie's clit, pressing in on it, each gentle touch sent lightning screaming through Natalie's body, making her jolt and moan. Her clit was burning with desire, it felt hot, aching to be touched, the feeling was so intense, so strong, that it almost overpowered her mind, she grit her teeth, trying to ignore how her nipples hurt, and how aroused this whole thing was making her, but it was hard. Her earlier ruined orgasm was still echoing through her body, but Wren's attention between her legs was fanning the flames again, and she knew that she was dripping down there.

"You look so pathetic right now, you know that?" Wren said to her. "Sitting there pretending you're not totally turned on when it's obvious that you are. Look at you, all noble and pure, but I bet if I did this, your tune would change real fast."

She leaned forwards, Natalie's eyes widened, she felt Wren's hot breathe tickling her clit, the stimulation made her womanhood ache, the desire burning inside of her. Natalie tried to resist, but she couldn't, and loosed a soft moan a moment later, as Wren's fingers circled her most intimate area. Thunder went off in her head, leaving her mouth and throat dry, she heaved for air, trying to ignore the feelings that were evolving inside of her, but it as no use, and Wren continued to stroke her clitoris, her fingers were soft and delicate, and each touch sent waves of pleasure rolling through Natalie's body. She gasped, feeling her orgasm building again, her womanhood felt hot and tight, in fact, heat was rising through her whole body. she pulled desperately at her restraints, but there was no escape. She moaned and shuddered, her body reacting desperately to thrust her pussy forwards. It was shameless and humiliating, and she felt her face burning as she did it.

Fuck, fuck it felt so good! Her every sense was on fire, her nerves were flaring brightly, she couldn't think straight through the haze of pleasure and shame. Wren was casually stroking her, and she was getting off on it! Again, Natalie felt tears pricking at the corners of her eyes, utter humiliation swamped her mind even as her body continued to creep closer and closer to surrender. She took a deep, shuddering breathe, and tried to compose herself.

Then, suddenly, Natalie felt a spike of ice shoot through her spine as she heard the key to the door turning. She gasped, and looked towards Wren, but Wren seemed equally surprised for once. Natalie desperately pulled at her restraints, but they held now as they had done in the past. The door clicked open, and Casey entered, carrying a bag over one shoulder, and dressed in a blouse and a skirt. She didn't look at first, walking into the room with the unseeing walk of the familiar.

"Hey, guys." She said. "Class was cancelled early, so I came back."

She looked like she was about to say something else as well, but then her eyes flickered over the scene. She glanced passed it at first, as though not quite putting it together, but then, her gaze swung back, and her eyes widened. The colour drained from her face, but was quickly replaced with a spreading flush of red. She looked like she might just stagger back in shock, but she wasn't quite that dramatic. Instead, she turned her gaze to Wren, the unasked question passing between them.

"I decided to have some fun with Natalie while the two of you were out." Wren said, standing up and brushing herself down as though this was just the sort of thing that happened sometimes between friends. "I didn't expect you to be back for a few hours yet. Is Samantha coming?"

"N-No..." Casey said, her voice sounded tiny, but then she rallied, speaking again more firmly. "No, she's busy with friends. She's going to be even later, probably."

"Ah, okay." Wren said.

Natalie didn't know what to say. She could feel Casey's gaze on her body, and it made her skin tingle. Rarely before had she felt so helpless and so exposed, the younger girl could see practically everything. Natalie even noticed how her eyes lingered upon the clamps on her nipples, and how she flushed slightly more deeply when she saw how Natalie's pussy was tapped open. She watched with obvious interest, as though she couldn't quite tear herself away. There was a clear fascination in her eyes, and a hitching of her breath. She didn't want to look, but she couldn't turn away.

Wren noticed, Natalie saw how she looked between Casey and Natalie, as if drawing a connection. Then, a slight smirk appeared, the corners of her lips curling as an idea formed in her mind. Natalie wanted to put a stop to it before it started, and she could have, very easily, in fact. But she didn't, and she didn't know why she didn't, except that some part of her held her back. She felt as though there was something more going on, something deeper, but she didn't know what that could possibly be.

Casey, unaware of the direction of Wren's thoughts, looked at Natalie again, this time, really allowing herself to perceive the older girl. Natalie felt a shiver run through her body, she felt mortified, the way that Casey couldn't tear her gaze away from her. She was spread out, exposed, and unable to shield herself in even the most basic way. Her heart hammered, faster and faster, and she could feel the heat pooling between her legs. She groaned, Casey's eyes were almost too much for her, but she couldn't turn away either. The two of them were locked face to face, Casey and Natalie each lost in their thoughts, and their fantasies.

Suddenly, Casey yelped. Wren had circled around behind her, and grabbed her chest, the younger girl bolted, twisting to escape, her face bright red.

"W-Wren!" She said, folding one arm over her chest. "The hell was that?"

"You're enjoying this!" Wren said, "I see how you're looking at Natalie. You're into this. I just had to make sure, and now there isn't any mistake."

Casey flushed, her eyes fell to the floor, before rising again to meet Wren's face. She was flustered and embarrassed, but any denial died unsaid as she saw the look in Wren's eyes. There was a sort of power there, which grasped her, and awoke something in her. The same feeling she'd had the day before, when she went to Natalie to be punished. Casey felt a tremble running up her legs, her gut churned. Her skin was tingling, and she couldn't seem to banish the image of Natalie from her mind. Natalie, stripped naked and **** to spread herself wide so that all the world could see. The obvious shame in her face, and yet, the arousal in her eyes. It was a feeling Casey had often imagined herself, though when she did, she quickly chased away the thought. Now, though, she couldn't. It ran around and around in her head, refusing to be silenced.

"Do you want to be a ****, Casey?" Wren said softly, as though she was making an offer that no sane woman would refuse. Her voice was honeyed, and Casey felt herself flush at the thought. She took a deep breath, her mind was in turmoil. It was an idea that, just last week, she would have deemed utterly laughable. But now... now she didn't know what to do or say. She looked again at Natalie, and remembered what she had said last night.

"N-No..." She said, shaking her head slowly.

"Really?" Wren seemed unconvinced. "Because you just can't seem to look away, can you? And you've not really joined in with our games so far. Not like Samantha. I could almost think that you weren't interested, but you're obvious aroused, do you think I missed you touching yourself the other day? But you don't join in, which says to me that you're not a dom. So, if you're not the one in charge, maybe you're the one who gets told what to do?"

Casey said nothing at first, her body was locked down, and fingers of apprehension and terror clawed at her spine. Wren was looking at her like a predator to a cornered bird, it was a position she'd never been in before, and yet some part of her liked it. There was a growing heat between her legs, and she could feel her nipples poking into her bra as they got more aroused. She felt so small and helpless, like a fly caught in the web of a spider, and she didn't know what to say or do.