Sinking - Cover

Sinking

Copyright© 2025 by Quest12345

Chapter 7: Tasks

BDSM Sex Story: Chapter 7: Tasks - This is the story of a single woman, a manager in a large company, who discovers by chance the excitement and pleasure she gets from fantasies of humiliation and submission. Gradually she gets deeper and deeper into the world of BDSM, looking for new experiences, contacting people through the Internet, and sinking deeper and further into a spiral from which it is not clear if she will be able to get out. I'll be ADDING the tags in each chapter ACCORDING EVOLUTION. I recommend checking them

Caution: This BDSM Sex Story contains strong sexual content, including Fa/Fa   Fa   Blackmail   Coercion   Consensual   Reluctant   BDSM   DomSub   Humiliation   Light Bond   Anal Sex   Oral Sex   Sex Toys  

Helen has to earn her orgasms.

Over the next few days, Helen received the products she had ordered.

The first was the programmable opening box. It was a small but solid steel box with a small display where the days, hours, and minutes until the box was opened could be set with buttons. It was intended, for example, for a smoker to store tobacco and avoid compulsive smoking, but for Helen it could be used to store the keys to her chastity belt. She tested the box by programming it to open after a few minutes and then a few hours to learn how to use it and, above all, to check that it worked properly. She didn’t even want to think about what would happen if the box failed and she was left with the chastity belt on for weeks, or even months, until she could get someone to cut the box with industrial tools.

Then came the Bluetooth-controlled vibrator. She loaded the control app on her personal phone; she didn’t want such an app on her company phone, and connected the phone to the vibrator via Bluetooth. With the app, the intensity could be varied, and different cycles could be programmed. The vibrator had a medium size and a soft silicone feel. It had a small base or widening that was outside the vagina, from which an appendage emerged that was placed over the clitoris to stimulate it. Helen had chosen this model for two reasons: firstly, it could be charged by induction, by bringing the base of the vibrator close to a small charging base, without plugging in any wires, which meant it could be charged even if it was covered by the chastity belt; the other reason was that she could install the app on someone else’s mobile phone and give them remote control of the vibrator. Helen’s sex grew wet thinking about how it would feel to have someone controlling her orgasms without her having any control over it.

Finally the chastity belt arrived: a steel model with a silicone padded lining that allowed it to be worn for a long period of time. As soon as it arrived, Helen tried it on. When she closed it, she shuddered and moistened, thinking about what it would be like not to have access to her needy sex. She wandered around the house for a while, naked except for the chastity belt, trying to do daily chores, but she couldn’t stop thinking about her locked sex. The feeling that she had no access to it, the feeling of the belt around her waist and between her legs, turned her on more and more. Finally, she could take no more; she removed the belt, lay down on the bed, and masturbated herself to two satisfying climaxes.

That night, when she went to bed after dinner, she decided to give it a more thorough test. She inserted the vibrator and activated it at a low level, insufficient to achieve an orgasm, but very stimulating. She then put on the chastity belt, locked it with the key, inserted the keys and mobile phone into the box, and programmed the box to open after 8 hours.

With no keys and no mobile phone, she would have to wait until morning to escape from the entrapment into which she had trapped herself.

Helen lay down and tried to fall asleep, but the incessant vibration in her vagina wouldn’t let her rest. She could feel her arousal growing, both from the cylinder inserted into her canal and from the appendage gently nuzzling her clitoris, but the stimulation was hopelessly insufficient. Her vagina was moistening and swelling, her clitoris was becoming more and more sensitive, and she felt herself getting closer and closer to orgasm, but when it seemed that she was already very close, the extra push she needed would not come. She tried to stroke herself through the belt, but it was useless; her sex was totally enclosed; she could only feel the hard metal. Hard but not cold, as she was burning and flushed, and the heat from her was being transmitted to the metal.

Helen began to get excited and desperate at the same time. She tried rubbing her legs against each other for some extra stimulation, but to no avail. She began to stroke her whole body and then settled on her breasts, which were swollen and turgid. She fondled her breasts eagerly, pinching the nipples, looking for the extra stimulation she needed, but nothing was working.

Constant stimulation spread from the apex between her legs all over her body, making all her skin hypersensitive. The brush of her fingers on her nipples, so erect and hard they ached, excited her enormously, but not enough. After a long struggle, exhaustion got the better of her. All night she dreamt of men fucking her one after the other but not letting her cum; in the dream, she was so desperate that she begged them to fuck her hard and use her body as they wanted so she could have an orgasm.

When she woke up in the morning, she was drenched in sweat, and so much fluid had gushed from her vagina that it had soaked the bed. She looked at the timer on the box and saw that there were 15 minutes left until it opened.

She anxiously counted the time, and as soon as it reached zero and a click sounded on the box, she didn’t waste a second: without bothering to take off her belt, she reached for her mobile phone and, on the vibrator app, activated the maximum power.

In less than a minute, she felt the orgasm come. A powerful wave swept over her entire body, which arched in pleasure, lifting her waist off the bed. Her vagina was so aroused that it almost hurt, but the pleasure and sensation were incomparable. Helen fondled her breasts, squeezing out the sensations as another orgasm overtook her, then came another and another, until she was exhausted.

When she was able to recover, she told herself it was worth the wait. She took a quick shower and had a hearty breakfast accompanied by two cups of coffee to recover from the exhaustion of the night.

Having found that her idea not only worked but was terribly exciting, she decided to propose to PerverseMaster that he take control of the vibrator.

When Helen explained the plan, PerverseMaster happily agreed. The idea of being in control of kajira2000’s orgasms was getting closer to what, for him, would be the ideal, fucking her until he made her cum. PerverseMaster became aroused imagining that beautiful body writhing in pleasure at will whenever he chose, or denying her that pleasure on a whim. He also thought he could push her more and more to do things she wasn’t enthusiastic about, pushing and stretching her limits. He would have preferred to have the keys himself, so that he was in complete control, but the option Helen suggested seemed like a very good alternative.

The next night, they had a video session to start the new phase.

Helen knelt as usual, handcuffs and collar on, logged on impatiently, and greeted PerverseMaster, “Good night, Master.”

“Good night, slave. Show me what you have in store.”

“Yes, Master,” Helen said as she placed the box, vibrator, and chastity belt in front of her. Then she showed him how it all worked.

He downloaded the vibrator application; she gave him the password, and he checked that he could control the vibrator from his mobile and that she no longer had control. Apparently his mobile sent the commands to her mobile, wherever she was, and from her mobile, via Bluetooth, the commands were forwarded to the vibrator. The only thing Helen could do was to turn off her mobile or put it in airplane mode so that no orders were sent to the vibrator. This limited the receiving of new commands but did not alter the active mode and certainly did not allow her to vary the power or the program.

Once satisfied with how it worked, PerverseMaster ordered Helen, ‘OK, slave, put the vibrator in your cunt, put on your belt, and lock the box with the keys in it.”

Helen hesitated for a second, thinking about whether she should dare, but finally made up her mind. She set the box to open in 7 days, inserted the vibrator, which she had fully charged, put on the belt, locked it with the keys, put both keys in the box, and closed it with a click that made her shudder. From now until a week from now, her pleasure was in the hands of this unknown master, who could decide whether she could have an orgasm or not. The idea excited and frightened her at the same time, but there was no turning back now. Now it was like in her fantasies; a man controlled her body.

PerverseMaster activated the vibrator to full power and watched Helen’s body shudder and tremble. Helen gasped as the artificial phallus suddenly began to move inside her, without warning. Her arousal increased rapidly, and she felt herself approaching orgasm. She closed her eyes and began to pant through her half-open mouth. She kept going and brought her hands to her breasts to fondle herself. Her breathing quickened, and she began to sweat.

PerverseMaster watched her on the screen enjoying herself as he stroked his cock with his lube-covered hand. He imagined his cock sliding in and out of a warm, wet cavity, Helen’s vagina. He felt powerful and very masculine, making her grow excited with pleasure and rapidly approaching orgasm. He continued to slide his hand up and down his erect cock as he watched Helen’s naked body on the screen. PerverseMaster had watched the video recordings of the sessions he had had with kajira2000 many times while masturbating and had learnt to recognise the signs that indicated she was about to orgasm, so when he noticed she was very close, he stopped the vibrator.

Helen let out a moan of despair as she watched the longed-for climax recede and muttered, “Please, Master.”

“Yes, slave?”

“Please, I need to cum, Master,” Helen replied, humiliated.

“When I decide. But first, you’ll have to earn it.”

“Yes, Master. What do I have to do?”

“You are going to take the nipple clamps and tie them with a rope to the leg of the bed.”

Helen quickly complied; she took the clamps, tied a thin rope to the ring at the base of each, and looped the rope around the bed leg.

When PerverseMaster saw that she had done so, he continued with the instructions, “Now get back on your knees beside the bed and attach the clamps to the nipples.”

Helen did as she was told, and when she was ready, she replied, “That’s it, Master.”

“Not quite there yet, slave. Tighten the clamps further.”

Helen turned the screw on the clamps, which closed even tighter on her nipples, crushing them painfully.

“Now bind the handcuffs behind your back.”

Helen obeyed the new command, hoping it would allow her to reach the climax she craved.

PerverseMaster enjoyed watching his slave, as he considered her, do his orders, feeling the power he had over a beautiful woman he could not possibly access under normal conditions. He continued to masturbate, but very slowly, as he was very aroused and wanted to prolong the pleasure as long as possible. He started to increase the power of the vibrator, which gave Helen hope of finally being able to cum. However, the increase was not enough; it only brought her back to her previous level of arousal, almost on the verge of orgasm but unable to reach it.

Then PerverseMaster said to her, “To earn your orgasm, you have to pull back until you rip the clamps off your nipples.”

Helen hesitated, but she was too aroused and finally decided to give it a try. Slowly she tilted her torso backward. The rope became taut and pulled on her battered nipples, causing her breasts to take on a conical shape. The pain was intense, and Helen stopped, as she was unable to bear it. Seeing her hesitation, PerverseMaster increased the power of the vibrator slightly, bringing her closer to orgasm.

The sensations of pleasure and pain began to mix in Helen’s head, creating a whirlwind that made her dizzy. Desperate to cum, she kept pulling back, closing her eyes so as not to see her tortured nipples crushed by the clamps, trying to think only of the orgasm that awaited her. She kept pulling back, letting out a howl of pain until at last one clamp, and a few seconds later the other, came loose.

When she saw the first clamp release, PerverseMaster turned up the vibrator’s full power.

A gigantic orgasm, mixed with almost equally intense pain, swept through Helen’s body. She fell to the floor, jerking, her head saturated with sensation, every nerve sending messages to her brain, which was unable to separate the messages of pain and pleasure. Her nipples ached but also heightened her arousal, and her soaking wet sex sent waves of pleasure throughout her body. Finally, the excess of sensations saturated her brain, and she blacked out.

For his part, the erotic scene that PerverseMaster had witnessed caused him to orgasm and cum as well, spurting great streams of semen all over her naked torso on the computer screen. He stared at Helen’s prostrate body for a few minutes, wondering how he could have access to her real body, fondle her breasts, and fuck her to exhaustion. Finally, he disconnected the call.

Helen woke up on the floor feeling cold after all the heat and sweat she had emitted. The session had been really intense, and remembering it, she began to get aroused. At the thought that she wouldn’t have access to her sex for another week and that her orgasms depended on PerverseMaster, she began to get aroused. But she knew there was nothing she could do; her pleasure was in someone else’s hands; it was a perversely exciting feeling. She took a cold shower to wash off the sweat and fluids that caked the belt and, above all, to try to calm herself down.

The next day, as she went to get dressed, she realised that there were clothes she couldn’t wear if she didn’t want the chastity belt to show. However, she had enough clothes, and, in general, the clothes she wore to work were loose-fitting and not very tight, so that didn’t limit her too much.

Arriving at the office, Kate greeted her and reminded her of the management meeting she had in an hour; Helen went into her office and reviewed the presentation she was to give when it was her turn to speak to the committee.

When the time came, Helen grabbed her laptop and went to the management room, which was on the same floor, very close to her office. She sat down and waited for the rest of the managers to arrive. She was the only woman at that level of management in the company, which gave her great satisfaction.

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