Sinking
Copyright© 2025 by Quest12345
Chapter 4: Helen knows Kate and her girlfriend better.
BDSM Sex Story: Chapter 4: Helen knows Kate and her girlfriend better. - 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 Ma/Fa Fa/Fa Fa Blackmail Coercion Consensual Reluctant BDSM DomSub MaleDom Humiliation Light Bond Anal Sex Oral Sex Sex Toys
Kate moved through the house, increasingly worried about what might have happened to Helen as she got no answer. She began to think the worst (Heart attack? Fatal car accident? Kidnapping? Robbery? Murder?)
In bed, hearing Kate, Helen woke up from her drowsiness and exhaustion and began to struggle and try to scream, although the ball gag muffled her screams almost completely, and only a slight grunt came out. Helen thought this was her only chance to save herself, so she applied what little strength she had left to it. She stirred and screamed at the top of her lungs, which finally got Kate’s attention.
Kate followed the faint noises she heard into the bedroom. Seeing Helen tied up on the bed, in that awkward position—naked, on her knees, ass up, face pressed against the mattress, and gagged—Kate was horrified and thought, just as she feared, that Helen had suffered some kind of assault in her own home. Kate let out a cry, “My God, Helen!” and then asked hurriedly, “What have they done to you? What’s happened to you? Who’s done it to you?”
Her meticulous character, as well as Helen’s continual demands for perfection in every activity, made Kate quickly take pictures of the room and of Kate with her mobile phone so that she could have evidence to report to the police.
Then she released Helen’s gag and tried to unfasten the handcuffs but saw that they were padlocked. Helen, her lips parched and her tongue corked, said, “The keys are in that plastic container with the water in it.”
Kate was surprised they were there and thought it was a strange form of torture: leaving someone tied up and with freedom in sight, unreachable from only a meter away.
Kate released Helen, who collapsed on the bed exhausted, unable to move. Kate covered her with a blanket and, seeing her hoarse voice and parched lips, fetched a glass of water. As Helen drank it greedily, Kate said to her, “I’m going to call the police.”
Hearing this, Helen choked on the water and shouted, “No! No! Don’t call!”
Kate replied, “But you have to report this attack, Helen. You can’t let it go unpunished. On top of everything else they may have done to you, you could have been dead.’
Helen refused, “No, I don’t want to report it, and I don’t want to talk to anyone.”
But Kate insisted, “But, Helen, you could have died! Even if you’re ashamed, you have to do it for other women. Imagine if they do it to a friend, or to a colleague, or to myself. You have to call the police.”
Helen remained hesitating, not daring to confess everything to her, but finally she thought she would have to tell Kate. After all, she was her personal assistant; she trusted her, and besides, she owed it to her since she had saved her life. Finally she said, “No one did this to me...”
Kate looked at her in surprise. “What do you mean?”
“It was all a stupid erotic game. I tied myself up, and then I couldn’t let go.”
“But why?”
“I wanted to experience what it feels like when you’re tied up, helpless, and something really turns you on, and you’re having orgasms without being able to stop, or when something really turns you on but you can’t cum, and you’re desperately wanting to orgasm without being able to,” Helen replied, lowering her head, unable to hold Kate’s gaze, who was staring at her with wide eyes.
“So, was it the first time, and something went wrong?”
“No, I’ve done it several times; maybe that’s why I was confident. Besides, they always recommend that when you do something like this, you have someone to rescue you if something goes wrong, but I didn’t dare tell anyone. I’m too ashamed. Please don’t ever tell anyone, not even your girlfriend.”
“You can count on it, Helen; I promise I won’t tell anyone. Now, I think you should have a hot shower to rest you and clean you up. Can you manage on your own, or do you need me to help you?”
‘I think I can.’
“Well then, I’m going to fix you something to eat. How long have you been like this?”
“I think it’s been almost two days.”
“How awful! Poor you! You must be starving and dehydrated; I’m going to fix you something to eat; you, meanwhile, take a shower,” said Kate, heading for the kitchen, as Helen got up and headed for the bathroom.
Helen spent a long time under the hot water, recovering and letting the shower water relax her aching muscles. When she emerged from the bathroom, Kate had changed the dirty sheets on the bed and had prepared a tray of hot broth, a French omelette, and some fruit, along with a painkiller.
Thrilled, Helen said, “Thank you so much; I don’t know how to thank you, Kate. I’ve always said I don’t know how I could survive in the office without your help, and now I can do the same in my personal life.”
“Don’t worry, I couldn’t leave you like that,” Kate replied.
After a while of talking, Helen assured Kate that she was fine and that Kate could go home and take the rest of the day off.
When Kate got home, she found her girlfriend Samantha watching TV and drinking a beer. Samantha was very different from Kate, both physically and personality-wise.
While Kate was short, delicate, blonde, and blue-eyed, with a very feminine body without being curvy, Samantha was tall and muscular, with short black hair, black eyes, broad shoulders, and a slightly masculine air, which had caused her to be referred to as a ‘tomboy’ at one time or another.
Psychologically, they were also very opposite: Kate was hard-working, orderly, and systematic, always looking out for others, shy and somewhat submissive and obedient, while Samantha was disorganised, lazy, daring, and with a domineering and aggressive character.
They had met at a book launch, during which Samantha, a friend of the book’s author, charmed Kate with her bohemian air and by talking about the fantastic book she was writing. A year later, the book had made no progress, and Samantha was living at Kate’s expense, doing little or nothing around the house.
In bed, things were no better either: Samantha was very dominant and liked to try things and practice all sorts of what Kate called ‘naughty’ things, while Kate’s more conventional character only allowed a minimum of ‘normal’ games.
As she entered, Kate greeted Samantha, “Hi Sam. I thought you might be writing.”
“Hi Katie. Just making a rest stop,” Sam replied.
“You’re making too little progress on the book, Sam; you’ll never finish it.”
“You know how hard it is to make progress. Writing a book is complicated. Inspiration has to come to you.”
“I know, but if it doesn’t come to you sitting down and trying to write, it won’t.”
‘How about you?’ Sam cut in, trying to steer the conversation away from a discussion similar to many other discussions they were having more and more frequently, “How come you’re here so early? What happened to your ‘missing’ boss? Are you here early because she died and you’re out of work? From what you said yesterday, you were very worried.”
Kate hesitated for a second before answering, but she had promised Helen not to say anything to anyone, and, besides, she considered what happened to Helen part of ‘her job’ and was very careful about leaking any information, so she replied, “Helen was very ill in bed, and that’s why she didn’t turn up at work.”
“Well, thank goodness that’s all it was.”
“I’m going to get something to eat,” Kate said, leaving her clothes and bag on the table.
“Perfect, fix something for both of us,” Sam replied. “I’m going to finish watching this show, and then I’ll come and help you.”
While Kate was in the kitchen, Sam, who found it very strange that Kate would show up in the middle of the day and wanted to know what she had done, checked her purse. She found some keys with a ‘Helen’ tag on them, which intrigued her, so she decided to check the phone. She unlocked the phone; she knew the code, as she liked to keep track of what Kate was doing, and checked it.
When she found the photos, she thought, ‘Sick? yeah!’ She forwarded the photos and Helen’s card from the contacts to her own mobile and then deleted the messages so Kate wouldn’t realise she’d sent them.
As Sam reviewed the photos and looked at the keys on the floor, she realised what had happened. Although Kate had not let her tie her up more than once, Sam loved bondage and all aspects of BDSM; she was very experienced and had practiced it on partners before Kate.
‘I see,’ thought Sam, ‘That bitch got stuck with self-bondage, and Kate has had to go and free her. So Kate’s boss ‘likes hard play’? Well, I can ‘help’ her. I think I can get a lot out of the situation.’
Sam didn’t comment when Kate came back with the food, but she kept thinking.
The next day, which was Friday, Helen arrived early at the office as usual. When Kate arrived, Helen called her into her office. There, she hugged Kate, thanked her again, and expressed her thanks for saving her life and told her that she owed her a raise, not because Kate had saved her, but because Helen had reflected on how important and careful Kate’s work was, and it should be acknowledged. To the rest of the staff, Helen had said that she had caught a very bad virus that had kept her in bed very sick with a high fever.
They both went home early that day: Helen to recover, not only from the days she had been tied up but from all the extra work she had had to do to try to make up the two days she had missed; Kate, because she had to prepare for a trip, as she had to go to visit her ailing mother the next day.
On Saturday morning, Helen woke up with her strength almost fully recovered. She put on a dressing gown and made herself a cup of coffee. As she ate breakfast, she suddenly heard the sound of keys unlocking the front door. Only Kate had the house keys, so Helen thought Kate had come back to check on her.
She went to the door, enquiring, “Kate? Is that you? I thought you were going on a trip today.”
Helen’s surprise was complete when she saw an unfamiliar woman at the door, dressed in boots, jeans, a t-shirt, and a denim jacket. “Who are you? Where did you get my house keys?”
“I’m Sam, Kate’s girlfriend. She gave me your keys.”
Helen was surprised and asked, “Why did she give them to you? Did you come to see if I’m okay? Kate could have just called and saved you the trip. Tell her I’m fine.”
Suddenly, Helen wondered what exactly Sam knew, “What did Kate tell you about me? Why didn’t she call?”
Sam moved forward and closed the door, saying, “Let’s stop playing games. I know what you like, so let’s have a fun weekend, you and me.”
“What did you say?” replied Helen, increasingly surprised and uncomfortable. “I need to rest now. Please get out of here. I’ll talk to Kate. She shouldn’t have given my keys to anyone.”
Sam suddenly grabbed Helen’s hair, pulled her face close to hers, and said very dryly, “Look, slut, I know you like cumming tied up, so you and I are going to have fun together. Kate has shared the pictures with me, and I know everything that’s happened to you, so if you don’t obey me, your pictures are going to circulate freely on the internet as soon as I get out of here, got it?”
Sam was bluffing, as she didn’t know exactly what had happened, and Kate certainly hadn’t told her anything, but she was convinced Helen would agree, especially if Helen thought Kate had told her everything and given her the photos. Surely an executive of a major company would not want to risk damaging her image by making her sexual habits public, especially if they were accompanied by such humiliating photos.
Helen tried one last defence, “I don’t know what you’re talking about. What pictures?”
Sam showed her the mobile phone with the photos Kate had taken, and Helen broke down, physically and mentally, pleading, “Please, you can’t make those photos public; please, you’ll ruin me. I’ll pay you well if you delete them.”
Sam told her, in a firm voice, “I like that better. We’ll talk about money later. For now, you’re going to do everything I tell you to do, understood?”
“Yes, Sam,” Helen replied.
“And you will call me Mistress, understood?”
‘Yes ... Mistress.’
“Good, now get undressed and get on your knees before me.”
Helen removed her dressing gown and knelt naked.
She thought that, somehow, her fantasies had become reality. They were no longer fantasies; it was real life. Kate had told her girlfriend everything, and now the girlfriend was blackmailing Helen. This woman was willing to play with Helen and have sex with her. Helen had never been attracted to women. However, in spite of herself, even though she was frightened of what this rough woman might do to her, Helen felt a little aroused. Someone was controlling and humiliating her and was going to control her sexuality.
Sam looked at Helen’s naked body and said, “You have a nice body and a nice pair of tits. I can tell you take care of yourself. I think I’m going to enjoy it. I hope you’re good with your tongue, though, because that’s what I’m going to get the most out of. Now, lead me into your bedroom on all fours and show me your toys. I’ve brought some too.”
“Yes, Mistress,” replied Helen, moving on all fours to the bedroom and opening the drawer where she had been accumulating all her erotic toy purchases.
Sam ordered Helen to put the collar and the handcuffs on her hands and feet, then padlocked the handcuffs behind Helen’s back.
Sam put the rucksack she was carrying on the side of the bed and began to take off her clothes. When she was naked, Helen, from her kneeling position in front of Sam, observed her body. As she looked when she was dressed, Sam was very stout and strong: her shoulders were broad, her arms and legs muscular; her breasts were not very large but with large, dark nipples and areolas; her hips were wide, and she had a bit of a gut; her very white skin was highlighted by symmetrical tattoos on her arms and legs depicting rose branches with thorns and crows, respectively.
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