M is for...: A standalone medical-themed romance (Checklist Book 13)

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M is for...: A standalone medical-themed romance (Checklist Book 13) Page 7

by L. DuBois


  Master Z raised his head, then turned it side to side, brushing her nipple with his lips.

  “What are you doing, you naughty thing?”

  Cali froze, and when Master Z straightened to look down at her, she closed her eyes.

  He pinched her nipple, pulling and applying the second clamp. The spike of pleasure made her rock forward again, once more bumping the plug.

  “Ahh, I see. You’re fucking yourself on the plug. Little slut.”

  Cali thought that she’d be over her embarrassment by now, but fresh heat burned her chest and cheeks.

  Master Z resumed his seat between her legs, pulling a fresh glove onto his right hand. “Time to stretch you open a bit more.”

  Cali bore down as he pulled on the plug, and it came out with a pop. The suddenness of it hurt—her anus forced to expand and contract rapidly instead of at a more gradual pace.

  Without warning or ceremony, Master Z replaced the plug with his finger, shoving it deep inside her.

  “Still very tight. Good.”

  His hand withdrew and he lubed up a third plug.

  This one had more of a taper, and the tip slid in easily. He kept the pressure firm, and inch by inch it entered her body. She winced when the plug forced her open wider than the one before it, but she breathed through the sensation. There was no sharp pain, only a dull aching burn of being stretched before he finally seated it inside her.

  “Good girl.” He patted her pussy as if it were a well behaved pet. “Does your clit still hurt?”

  “A little, Sir.”

  “Then how about I help…cool it down.”

  Cali raised her head, looking at the tube he held. Muscle cream, the kind that felt first cool, then warm.

  Her poor abused clit would burn cold and hot. She looked at Master Z, opened her mouth.

  He stared at her, merciless and controlling. There was nothing she could say—short of her safe word of course—that would stop him from tormenting her.

  Cali whimpered and dropped her head back, arousal at the audacity and thoroughness of his torment sliding through her.

  “Ahh, very good. You know that this pretty clit is mine to play with, even if it’s already sore.”

  “Yes, Sir,” she whimpered.

  After switching to a new glove, his finger smoothed a thick paste not on her clit, but the inner surface of her pussy lips. After wiping his hand on her leg, he reached up and tugged on the nipple clamp chain. The sweet tug in her tits distracted her from the first feelings of cold on her pussy.

  “Starting to feel it?”

  Her response was a moan and she wiggled in her bonds.

  Master Z laughed, a true laugh of pleasure. “Time for the next plug I think.”

  He started to tug and between the pressure on her ass, the tingling on her pussy, and the pinching of her nipples, she was overwhelmed. She wanted to demand he stop. That he go back to focusing on one part of her at a time.

  The plug popped free of her ass, and she arched up, hissing in pain. That turned to a moan of pleasure as the length of the plug slid smoothly out of her, caressing the velvety skin of her anus along the way.

  There was no break, no chance for her to catch her breath before the fourth plug was being forced into her ass. The first part felt good, and the well-lubed glass slid in smoothly.

  Then it started to stretch her too wide. Open her too much. Cali panted, tossing her head side to side. She felt feral.

  Master Z tugged on the nipple chain. “Slave, I said relax.”

  “It’s too big, Sir.” Her voice was almost trembling.

  “I didn’t ask you if you thought it would fit. I ordered you to relax. If you can’t, I will force it in, but that will be harder on you.”

  The gel on her labia was no longer cold, but starting to get warm, and her skin tingled. Her nipples ached not from the clamps, but with the need to feel his fingers and lips.

  All the stimulation was at once too much, and not enough.

  He forced the plug into her another inch, and her ass burned. So did her pussy, thanks to the gel.

  His lubed finger rimmed her stretched anus. “You’re stretched nicely, but I know you can take more, can’t you?”

  “Yes, Sir. More, please.”

  He started to twist the plug while maintaining the pressure. Incrementally, she stretched wider, accepted more.

  The widest part pushed through. Cali cried out in relief when it slid in, her abused anus able to close on the neck.

  Except the neck of this particular plug was nearly as wide around as the first plug had been. Normally she associated plugs with a feeling of internal fullness, with only a little stretching. This was something else. She wasn’t just full, she was stuffed and her ass felt like it was gaping open.

  Master Z was making shushing noises, and it was only after hearing those that she realized she was whimpering.

  A smooth cloth wiped the burning gel from her labia.

  “Very good, you took that nice big plug beautifully.”

  The words of praise, the approval for her perversion, brought tears to her eyes.

  The sound of the exam table motor clicking to life startled her. Master Z patted her pussy as the top half of the table was lowered down so she was once more lying flat on her back with her legs up and spread.

  “I’m going to release your legs, but you are not allowed to close them.” Master Z unbuckled the straps at her ankles. “You must keep your cunt as vulnerable and on display as possible.”

  “Yes…” The word trailed off on a hiss as he helped her brace her heels on the very edge of the exam table. She scooted up a little bit, settled her feet more firmly, her heels nearly touching her butt, and then spread her knees wide.

  “Well done. You deserve a reward for being such a slut.”

  Cali braced herself, and it was a good thing she did. When his lubed finger slid over her clit, the pleasure was so intense that if she hadn’t prepared herself for it her feet would have shot off the table. As it was she arched up, her hips lifting, trying to both find more of his touch and escape it.

  “Down,” he snapped. “Keep those legs open. I know you’re sensitive.”

  Cali whimpered as he rubbed her clit in soft circles. It was more intense than it would have been without all that had come before it in this scene, her clit sensitized, ass full, pussy hot and tingling from the gel. Her body was primed, waiting only for a spark to ignite.

  He toyed with her clit for several minutes, and the smooth-edged tension of an orgasm began to build inside her.

  “Do you think you could come like this?” he asked softly. “Your abused clit being rubbed while your ass is stretched, pussy hot, your nipples aching from the clamps.”

  “Yes, Sir, I could. I…I like the way you use me. My master doesn’t hurt me enough.” The words tumbled out.

  “Ah, he doesn’t realize exactly what you need. But don’t worry, I’ll tell him. I’ll make sure you’re pleasured and hurt in all the ways you deserve.”

  Cali tried to reach down, to grab his hand and guide him to speed up so she could come. The chains clanked and she groaned in frustration.

  “Would you like to come, slut?”

  “Yes, Master Z. Please.”

  He lifted his hand away from her pussy. Cali waited, sure he’d grabbed some other thing to use on her clit. Maybe a vibrator. Maybe the Wartenberg wheel. She didn’t care. She wanted it.

  Instead he folded away the stirrups, sliding them back into the base of the exam table. Cali looked up, bewildered and half-mad with desire.

  “If you want to come you have to earn it.” He crossed his arms, gaze dark and intent. “Turn over on your hands and knees.”

  She remembered what he’d said about the plugs. That for the largest he’d turn her over. But she was already so full, stretched so wide, there was no way…

  “I’m not sure I can take a larger plug, Sir.”

  “You can, and you will.” There was no mercy in him. />
  Slowly, Cali rolled onto her side, moving almost as if she were in a daze. She grunted as the plug shifted inside her, cried out as her pussy lips touched when she closed her legs, the burning sensation increasing significantly. By the time she was on her hands and knees on the exam table, her knees spread as wide as she could go without slipping off, she was panting.

  “Arch your back.” He tapped the middle of her spine and Cali bowed her back down, raising her ass high.

  Gentle fingers caressed her stretched anus, applying more lube. Cali whimpered in anticipation of the pain.

  It didn’t hurt as much coming out as she thought. The thick neck had kept her stretched, and he worked it out by gently rocking it side to side and twisting. She felt herself stretch wide but then it was over, and all she felt was the pleasure of the smooth plug sliding out of her ass.

  Cali panted, and Master Z patted her ass.

  “Well done.” He pressed two finger into her ass, working them in and out for a bit. “Your ass is fun to abuse.”

  “I’m…glad?”

  Master Z laughed softly, his fingers slipping out of her. Gloves snapped and squeaked as he removed them. The next thing she felt was his hands on her hanging breasts, gently cupping and lifting each, almost as if weighing them. Her breasts were on the smaller side, but when she dropped her head to look where they dangled below her chest they seemed large, and somehow lewd.

  Master Z slid one of the thin black straps he’d picked up before—and which she’d forgotten about—around the base of a tit. The strap was only the width of her pinky finger, and despite the size of her breast he was able to fasten the strap around it, slightly restricting the blood flow. Below the band, her breast was round and taut.

  The other breast got the same treatment, before he took it even further, and tightened the nipple clamps to the point of pain.

  “There you go. A nice distraction.”

  He patted her tits, making the clamps jiggle. She hissed at the biting pain in her nipples.

  Being on her hands and knees would make it easier for her to take a large plug up her ass, but it also meant she couldn’t see what was coming.

  The first touch of the cold glass against her ass shocked her, but he forced the tip of the plug in before she could clench and fight it.

  “Breathe through it,” he commanded. “You’re going to take this into your ass.”

  The smooth slide of the plug had her breathing hard, not in pain, not at first.

  In pleasure.

  “You’re doing well. Half way.”

  Half way? She was full, and pleasantly stretched now. That meant the rest, the latter half, would be all pain.

  Master Z’s hand cupped her pussy from below, the heel of his hand on her clit.

  And as he worked the plug into her, thrusting and withdrawing only to thrust a little deeper, he massaged her pussy, her clit.

  The orgasm built quickly, heedless of the now-painful stretching of her ass. He was having to work harder now, pushing enough that he shoved her forward a bit with each thrust. Cali’s mouth hung open as she panted, her nipples ached, and her pussy throbbed with pleasure.

  He withdrew the plug almost all the way, his hand still working her clit, and the pleasure of that brought her to the edge of orgasm.

  “Sir, I’m close.”

  “Close to coming from having your ass worked?”

  She’d always loved dirty talk, responded to it as strongly as if it were physical stimulation. Dark, humiliating, degrading, praising, sexy words could push her over the edge.

  He knew that, and she knew that he knew.

  “You’re going to come for me with your nipples clamped. Your tits bound. You’re going to come while I rub your clit. A clit that I abused. I took a toothbrush to your clit and you liked it.”

  Cali’s muscles tightened, her abdomen tensed. As if he’d been waiting for that, he worked the dildo into her with hard, twisting thrusts.

  “You’re going to come while I fuck your ass with a massive plug. You’re going to come because you like to have all your holes used and abused. You’d like it if you had a cock to suck right now.”

  The orgasm swelled, and then a ribbon of pleasure streaked through her. His fingers kept up a relentless, steady rhythm, her ass clenched helplessly on the invading plug, and the clamps pulled and tugged on her nipples.

  “You’re going to take this plug in your ass and then maybe I’ll use a toothed clamp on your clit.

  “That’s what you need, isn’t it, princess? More pain, more pleasure. You need to be used, hard.”

  Cali lifted her head, crying out even as she pushed her ass back towards him. The plug was thick, too thick. It wouldn’t go in…

  Master Z switched to using his thumb on her clit, a slow steady circle that amped up her orgasm. Cali saw stars in the darkness behind her closed eyes.

  She came. Came because of the pain in her breasts and ass, the pleasure at her clit, and above all the feeling of utter and complete submission.

  Cali screamed as the orgasm peaked, her ass tight around the plug, her pussy rhythmically clenching, her toes curled and scalp tingling.

  It went on and on, a dark, perfect pleasure.

  And when it was over, Cali collapsed onto the exam table, her legs dangling awkwardly, the only sound her heavy breaths which turned slowly to sobs.

  Chapter 7

  Face buried in the crook of her arm, Cali tried to ignore the feeling of the plug sliding out of her ass. She hadn’t been able to take the full length and width of that one, but as he removed it she shivered, her anus contracting spasmodically.

  She listened to the sound of his footsteps walking away, returning. He dropped a blanket—no, a robe—over her back, pressing it to her shoulders. Next he unlocked the manacles, pushing her braid out of the way.

  Her wrists felt light without the heavy manacles, and she pulled her folded arms under herself, hissing when her elbows pressed against her still bound and clamped breasts.

  “Can you stand up for me?” Strong hands massaged her shoulders and upper arms.

  Cali inched down the exam table until her toes touched the floor. She pushed herself up with her hands, her body stiff as if she’d just completed a workout.

  She didn’t look at Zidan as she slid her arms into the sleeves of the robe and pulled the edges together over her chest.

  She knew when he came up behind her. Knew because she could feel his presence, almost as if he gave off heat that she could sense. Or perhaps it was something more sinister—she sensed him the way prey knew a predator was close.

  Zidan put his hands on her shoulders, massaging them once again before nudging her to turn around. She didn’t want to, but it would be beyond ridiculous to keep staring down at the exam table—at the wet patches on the black vinyl. Some were from sweat. But the wet smear at the end, that was evidence of exactly how aroused she’d been, how perverted she was to have enjoyed being used this way.

  When she didn’t turn in response to his nudges, Zidan got more forceful, applying pressure to one shoulder until she turned to him. Cali kept her head down, not ready to look at him. To see him, talk to him, as Zidan and not the character “Master Z.”

  That changed when he grabbed the edges of her robe and tugged it open, exposing her.

  Cali grabbed the fabric just below where he held it in his fists and tried to yank it closed. His hold was too strong.

  “The scene is over,” she snapped.

  “Not entirely; we’re done with that,” he jerked his head towards the exam table, “but you’re still in bondage.” His knuckles slid over the edge of one breast. It was pink and glossy from the restricted blood flow, and her nipples had gone numb from the tight clamps.

  “I can…I can do it,” she insisted, but her voice wasn’t as strong as she would have liked.

  “Of course you can, but you won’t. It is my job to take care of you.”

  Cali’s lip trembled, and fresh tears spilled dow
n her cheeks. She hated how easily she cried. Inside, in her mind, she was stronger than this, but her body usually betrayed her. It made her good at her job, but times like this she wished she could hold all her emotions in, let nothing slip through.

  And so she stood there, silent tears making wet, cold streaks on her cheeks, as Zidan used a wipe to clean the remnants of the medicated gel from her pussy and undid the straps around the base of her breasts.

  They started to ache as circulation returned, and he cupped and massaged them to aid that process. She tried to pretend it was clinical, impersonal.

  But it wasn’t, and no amount of playing pretend would change that.

  “Would you rather sit down for this part?” His voice was solicitous as he stood there holding her tits.

  “No.”

  Rather than release the clamps, he began by loosening the screws that controlled the pressure.

  Feeling began to return to her nipples now that the clamps were just holding on, and not pinching down. Cali tried to hold back the hiss of pain, the grimace that twisted her face, but she couldn’t.

  Zidan pressed his thumbs against her lightly-clamped nipples, working them with gentle little presses that did ease the ache, but also made her blood heat. Her body should be satiated, unable to feel any more arousal after how thorough that scene had been.

  And yet her pussy pulsed as he pressed her nipples, and she wanted to arch into his hands, to slide back into the role play. She could sink to her knees and thank him for training her, examining her. Say that her fictional master had taught her to always show her appreciation for the men who used her and then unfasten his pants. She’d take his cock in her mouth, suck him until he was so aroused that he fucked her face, coming on the back of her tongue.

  Cali knocked his hands off her chest, grabbed the chain connecting the clamps, and viciously yanked them off. She paid for it. Her nipples burned, and she cupped her breasts with her own hands, breathing through the pain. She turned, walking a few feet away, into the dim recesses off the playroom.

  “Cali, that was unnecessary.”

  “The scene is over.”

  “Aftercare is—”

 

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