My Sister Discovered My Fetish and Decided to Punish Me

[All the characters in this story are of legal age]

[Bruno]

I have secrets that embarrass me a little. Maybe because I’ve never been with anyone, I ended up accumulating some pretty weird fetishes, which started out mild and got twisted over time. First I looked for videos where the woman was in charge; then I moved on to rougher stuff, blows, punishment, male submission. And when I thought it couldn’t get more complicated, I started reading sibling stories. That was when I began to look at Nadia differently.

Our relationship had always been distant. I shut myself in my room, she in hers. We talked little, almost always at the table, and even then with our phones in our hands. She’s very pretty: light brown skin, thick black hair she treats like a treasure, inherited from our mother. Around the house she wears very little, extremely short shorts and loose blouses, sometimes with nothing underneath.

As if someone had flipped a switch, my mind started registering every detail. Before, I’d call her ugly just to annoy her; now I forced myself not to look at her chest during dinner, and the more I forced myself, the more I thought about it. When she came down the stairs in a rush and everything bounced beneath the fabric, it was almost hypnotic. Avoiding it made me obsessive. I’d fix my gaze on anything nearby and spy on her out of the corner of my eye, while my whole body begged me to look straight at her. It was torture.

***

[Nadia]

Once again, the idiot of my brother looked at me during dinner. A fraction of a second, but I’m sure of it. Then he acts like he didn’t, so he doesn’t get himself into trouble. If I’m honest, I find it funny that he wants to look and can’t, because I’m his sister.

As kids, we played together all the time. We’d throw stones at bottles in the yard, he’d go with me to the corner shop and buy me candy with his allowance. We loved each other a lot, but the years slowly pulled us apart even though we live under the same roof. One night I went downstairs for water, and as I passed his always-cracked-open door — he hates feeling trapped — I heard the rustle of fabric. I peeked in just a little and understood what it was. The duvet was moving with a rhythm I’d never heard live, but immediately recognized. There was a bluish glow: he must have been watching something with his headphones on.

From that moment on I knew my brother had changed. And so had I. There was nothing wrong with it, but I felt like things would never go back to the way they were. What was strange was that, besides the small disappointment, I was left with curiosity. What the hell was he watching?

***

The opportunity came one night, when we were already going to bed and Mom shouted down from below.

—Bruno, you didn’t take out the trash!

—I forgot! I’ll take it out tomorrow! —he shouted back.

—No, tomorrow they come early. Do it now.

I walked toward my room. It took him a while to come out; I suppose he was annoyed at being interrupted. As soon as I heard him go downstairs, I knew it was my moment, and that maybe it wouldn’t happen again. I went in expecting to find his phone on the bed, but the laptop was open. From a distance I saw a woman dressed in leather and a man kneeling in front of her. I turned the screen. I didn’t understand the title, I only caught a couple of English words about domination, so I rewound the video to understand what it was about. The woman had the guy on his knees and landed a sharp blow right between his legs. I opened my eyes wide. My brother is really crazy.

There were dozens of tabs open. I clicked on others: more of the same, terms I didn’t know, punishment, submission. In one there was a very long text I didn’t get to read, though it made me uncomfortable just to see it. And in another, a story whose title said “My Sister Dominates Me.” I’d seen enough. I put the laptop back the way it was and ran back to my room.

I threw myself on the bed staring at the ceiling, with too much to process. Was he fantasizing about me? Did he get turned on by being hit there, or only by seeing it in other people? Would he like it if it were me? I told myself I was crazy, that I’d never do something like that, though I admitted that the idea of having him at my mercy didn’t seem so absurd. I decided to ignore the subject, leave him to his things, and go on as always. But curiosity was gnawing at me.

***

[Bruno]

When I came back from taking out the trash and opened the laptop again, my blood ran cold. The browser was on the incest story I’d been about to read, not on the video I’d left. Someone had touched it. Nadia had gone in.

It couldn’t be. Did she see the siblings tab? I felt everything going to hell. The uncertainty was killing me, but the best thing was to pretend nothing had happened. Those doubts killed my desire to keep going. I lay down thinking maybe it would be better to leave all that behind forever. Then a new fantasy flashed through my mind: me reading those stories and her coming in to tell me she already knew everything, that I shouldn’t worry. That image, against all the anxiety, ended up winning.

***

[Nadia]

What was done was done. Now I knew my brother had weird fantasies about me, and I was ashamed to admit the idea didn’t bother me. All night I thought about whether I should find out if he really liked that, or if he was only turned on by seeing it in other people.

The next day, when Mom called us to eat, I came down in a low-cut blouse and the shortest shorts I owned. This time I was the one keeping an eye on him. It was obvious how he looked at me out of the corner of his eye, a fraction of a second at a time. Feeling that attention did something strange to me; part of me wanted to show more, even though I knew it was wrong.

We finished eating. He was going to shut himself away and everything would go back to routine, and part of me didn’t want that.

—Let’s watch a movie in the living room —I told him before he went upstairs.

—Which one?

—Any one.

—A horror movie?

—Those keep me up all night!

—Don’t be such a scaredy-cat, you’re grown up now.

—Whatever you want…

He put on “The Omen,” the first thing that came up. Mom had already gone upstairs to read, so she wouldn’t watch it until morning. We sat a little apart.

—That movie is ancient. Wasn’t there anything from this century?

—It’s one of my favorites. Besides, we haven’t watched it since we were kids.

That reminded me of when our parents had forbidden it and we watched it in secret in the middle of the night. It scared me so much I ended up sleeping with him. Fifteen minutes passed and, since the beginning was slow, we chatted from time to time. It felt good to recover that ease. I settled in, leaning my head against the backrest, and put my feet on his legs.

—Get your feet off me! —he said, nudging them slightly.

—You picked the movie, let me be comfortable at least.

Something told me he was playing along, that deep down he loved having them there. There was a slight tension we disguised with hostility.

***

[Bruno]

Having her feet so close was a sweet torture. My body made a half move to pull away so she wouldn’t suspect, but I couldn’t actually push them off. I wanted them to stay there. After a while she took them away, went to the kitchen for water, and came back to sit right beside me, pressed against me, with the whole couch free. Then she rested her head on my shoulder. Having her like that, connected again after so long, awoke in me a huge desire. I wanted to hug her, but my fear of startling her won out and I did nothing.

***

[Nadia]

Leaning on his shoulder, I tried to keep watching the movie, but curiosity wouldn’t let me.

—Do you have a girlfriend, Bruno?

—No.

—Why? Nobody into you?

—I’m not that interested in the whole thing.

—Maybe you’re ugly.

—Almost as much as you.

—You know I’m not ugly.

—Think whatever makes you feel better.

And then I came up with the plan.

—If I were ugly to you, you wouldn’t be staring at my tits every day.

—Keep dreaming.

—You don’t have the balls to admit it?

—More like you don’t have anything worth looking at. You’re flatter than a board.

It was now or never. I had the perfect excuse. I sat up from his shoulder and hit him a good one right between the legs. His loose pants did nothing to protect him; I felt the bulge give under my fist. He let out a choked cry and doubled over to the side of the couch, clutching himself. I laughed, though inside I felt a little guilty. Maybe I’d gone too far.

***

[Bruno]

I couldn’t believe what she’d done. The blow landed straight on, with no cushioning, and it hurt like hell. I curled up on the couch while she laughed. But after a few seconds, over the pain, something else started to grow: an arousal I hadn’t expected. I’m going to remember this every night for the rest of my life. Her fist, my own body giving way, her laugh of delight.

—Ow, that hurt, dummy.

—You deserved it.

—You went too far, Nadia.

—Don’t be such a crybaby, it was just a little hit.

The sharp pain faded and only a dull echo remained, one my mind embraced because it might not happen again.

***

[Nadia]

I went to the kitchen to get something sweet. I’m not proud of it, but I enjoyed that hit: feeling the bulge in my fist and seeing him curled up made me like it more than I expected. When I came back and sat down, I glanced at his crotch out of the corner of my eye and almost dropped the candy. It was hard. He thought the darkness would hide it, but a lit-up scene in the movie gave the bulge away, bigger than normal. I looked away immediately, my heart pounding. He had enjoyed it.

—Feeling better, little brother?

—Yeah, you don’t hit that hard.

—Oh, really? Maybe I’ll try again… —I raised my fist, menacingly.

—No, wait!

—That’s what I thought.

Knowing he feared me gave me a strange, exciting power. I stretched out again and put my feet back in his lap. From time to time I moved them, pretending to get comfortable, looking for a brush against him. At the most intense moment in the movie I let one foot fall onto his crotch as if by accident, and felt something firm. I pulled it back quickly. I’d already confirmed what I wanted.

***

When the movie ended, he got up.

—Next time I choose —I said.

—Keep dreaming —he replied, and gave my head a funny little tap with his fist, like when we were kids.

I stood up suddenly to trip him, but he noticed and hooked my ankle with his. I fell on top of him and we both ended up on the floor, grappling.

—What’s wrong with you, crazy girl? —he said, laughing.

—I won. You’re on the floor, so next time I choose.

—We both fell. You didn’t win anything.

I loved that he played along. We struggled for a while; I was using all my strength and he clearly wasn’t. Even so, I had a hard time keeping him down. I was trying to bend one of his legs to make him give up when I saw them: within reach of my hand, outlined beneath the stretched fabric. I didn’t want to ruin the moment, but I couldn’t resist.

—Don’t hate me for this, little brother —I said, and closed my hand over him.

He stayed still, face down, without saying a word.

—You giving up, or do I leave you without offspring?

—That’s cheating.

—It’s not cheating, it’s part of your body. And you’re stronger, so we’re even.

The adrenaline from the fight was fading and I realized how much I liked having him like that, subdued, feeling that I had all the power and he couldn’t do anything. I squeezed a little, to test it.

—Ah! It still hurts from the hit, don’t squeeze!

—Still think I’m flat?

—Uh… yeah? —I squeezed again—. Ah, no! You’re not flat!

—That’s more like it.

***

[Bruno]

I couldn’t believe what was happening. My sister had me pinned to the floor, with my fate clenched in her fist. It was as if several of my fantasies suddenly came true at once. I didn’t want it to end, but I also didn’t want her to suspect how much I was enjoying it. Feeling her hand close around me gave me a strange calm, a calm that shattered into agony every time she squeezed. She had me in her power, and I liked that more than I would ever admit.

My body responded completely. I prayed she wouldn’t notice; enduring the discomfort of being face down was preferable to her discovering my erection. She threatened to squeeze harder if I didn’t give up. I knew she’d be incapable of doing me any real damage, but I also saw perfectly well that she was capable of an intimidating punishment.

—You giving up, or do I have to crush them?

—Mm… I’ll think about it… —I answered, and I knew I had sealed my fate.

—Suit yourself.

Instead of squeezing, she let go. I thought she was freeing me, but she only readjusted her hand, stretched farther, and when I was helpless, the second blow landed. An immense pain shot through me. I writhed, tried to cover myself, and she kept pulling my hands away.

—Stay still, or I’ll squeeze again! Giving up now?

—Ah, it hurts, Nadia, let go of me!

—I suppose you’re not giving up, so I’ll give you another…

—No! I give up! —I blurted out.

She let me go and stood up, victorious.

—I won, little brother. I pick the next movie.

I stayed on the floor, curled up. I felt her foot rest on my back, mocking.

—Come on, don’t exaggerate —she said, cynically. Then she bent down, kissed me on the cheek, and went up to her room.

I stayed sprawled there for a while. The pain gradually faded, but the erection didn’t. I waited to hear her door close before getting up. Watching her go upstairs, her perfect figure disappearing on the staircase, was the icing on the cake.

***

[Nadia]

In my room I felt incredibly strange. I felt connected to Bruno again and, at the same time, guilty: I’d confirmed that this turned him on, and still I kept going. I had liked it. Having him on the floor, in my power, feeling his body respond while I squeezed him, turned me on in a way I didn’t know.

I knew it wasn’t right, but I’d do it again. In fact, I wanted to do it again right then. I took my vibrator, small but noisy, out of a box hidden in the drawer and covered myself with the duvet to muffle the sound. Thinking about how I’d had him subdued a little while ago, the pleasure was enormous. What brought me over the edge was imagining something new: him sitting on the floor, my foot on his body, kissing my legs. That sense of power made me come harder than ever.

***

[Bruno]

When I heard her door close, I went to my room. I was still hurting, but I needed to unload everything in my head. I remembered her hands closing, the stretch and then the punch, and I knew I’d never been so close to the edge in my life. The memory of that pain and her laugh of pleasure made me finish in a violent, delicious way, unlike anything before.

I don’t know if I’ll ever feel something like that again. What I do know is that, for a good while, I won’t need the internet.