My Cousin Discovered What I Do with My Brother and My Boyfriend

Camila’s arrival in Madrid was like a hot Caribbean wind that fanned something my brother Iván and I had spent months trying to ignore. My cousin came from Cartagena, with that easy laugh and a voluptuous body that didn’t go unnoticed by anyone. We seduced her together, without rushing but without pausing, and that first afternoon she gave herself over to a threesome that left the three of us trembling, hungry, and aware that things could not end there.

That same night, after dinner with my parents and pretending everything was normal, Camila and I looked at each other across the table with a silent question that needed no answer.

—We can’t do it again here —I murmured when we went up to my room—. My mother is a light sleeper.

—So then?

I suggested we go to Mateo’s place. I explained in a low voice, while I rummaged through the closet looking for something to wear, that my boyfriend and I had had an open relationship for two years, that he knew absolutely everything that happened between Iván and me, and that he had a small dungeon in the basement of his villa where we were going to spend a night no one would forget.

Camila sat on the edge of the bed and bit her lower lip.

—Would you really share your boyfriend with me?

—Camila, we’ve spent all afternoon sharing my brother. Mateo is just the next step.

She closed her eyes, took a deep breath, and let out a nervous laugh. When she opened them, they were shining with a mixture of fear and curiosity that lit me up completely.

I called Mateo from the hallway. I explained the situation in thirty seconds. He laughed with that deep voice that always turns my knees to jelly and told me he was already opening the gate. When I went back to the room, Iván was waiting in the doorway.

—We’re leaving all three of us now —I announced.

—I feel bad stealing his sleep —Camila commented.

—Don’t worry, cousin. Mateo cares very little about sleep when a woman like you is on the line.

***

We left in my mother’s car, windows down and the radio playing softly. Camila was in the front passenger seat, twirling a lock of hair, and every so often she shot me looks through the rearview mirror with a new smile, darker than the one I’d seen on her during the day.

Mateo opened the door barefoot, in sweatpants and a gray T-shirt. He didn’t give Camila time even to say hello. He pulled her against him with one arm and shoved his tongue into her mouth as if he’d been waiting weeks for that kiss. His hands went straight to my cousin’s ass, kneading it over her miniskirt, spreading her legs.

—Carolina didn’t tell me you were this hot —he murmured against my cousin’s lips—. I’m going to eat you whole.

—I see you don’t waste time —Camila replied, brazenly groping the bulge in his pants—. And from what I’m feeling, I guess you’re not going to be patient with me either.

I came up behind her and wrapped my arms around her waist. I lifted her blouse until her breasts were freed from her bra and placed them in Mateo’s hands while I buried my nose in her neck. Iván watched the scene from the entryway, with that half smile I’ve known since we were kids.

Mateo slid a hand under Camila’s skirt and found her already soaked. My cousin let out a long, hoarse moan and threw her head back against my shoulder.

—I want you to fuck her like you fuck me —I whispered in Mateo’s ear—. I want to see her ruined.

—Enough talking —Camila panted—. Let’s go downstairs already.

***

The basement smelled of leather and old wood. Mateo had left the dim lights on around the St. Andrew’s cross and the spanking bench in the back. Camila stood still in the center, taking it all in with her mouth slightly open and her eyes shining.

—Where do you want to start? —Mateo asked her in that owner’s voice he gets whenever he crosses the threshold of the dungeon.

—Those two crossed beams catch my attention —she said with feigned innocence, pointing at the cross—. I have no idea what they’re for.

Of course she knew. Anyone recognizes a St. Andrew’s cross at first glance. The little bitch was pretending to be naive just to provoke them. Mateo smiled and, without saying a word, led her over there. Between Iván and him, they lifted her arms and tied her wrists with the leather restraints.

—Now come the lashes, right? —Camila laughed.

—Not a whip tonight —my brother murmured—. Tonight you get something else.

Mateo crouched down, pulled her skirt up to her waist, lowered her panties, and took them off completely. He left them dangling from one of her ankles. Between the two of them, they opened her legs and tied her feet too, leaving her completely exposed.

—She has an amazing ass —Mateo commented, running his hand over her cheeks.

—This afternoon I fucked both of them back there —Iván answered—. After destroying their cunts.

—And who gave you permission to touch my girlfriend? —Mateo asked with mock outrage.

The three of us burst out laughing. Camila looked at us wide-eyed.

—Don’t tell me you three already…

Mateo didn’t let her finish. He grabbed her hips, pulled his cock out of his pants, and shoved it into her in one thrust, all the way to the hilt. Camila screamed.

—Iván fucks her whenever he wants —my boyfriend growled as he started moving—. So do I. And both of us together when she asks us to. We use your cousin between the two of us, and we’re going to use you the same way.

***

I sat on the bench next to the cross, still dressed, and watched Mateo hammer his hips against my cousin’s ass with deep, fast thrusts. He knows how to be brutal with me, but with Camila he seemed possessed. Every time he drove in all the way, she let out a long, animal moan that bounced off the basement walls.

After several minutes, Mateo moved aside and gave the spot to Iván, who was already completely naked. My brother penetrated her in one hard thrust and fucked her with the same rage, gripping her hips hard, his pelvis smashing against her ass like a lash.

—Fuck, cousin, you weren’t fucking me like that this afternoon —Camila panted, her voice broken.

I couldn’t hold back any longer. I pulled my dress off over my head, stayed in my panties, and went up in front of her. I took her face in my hands. Her lips were swollen, her eyes glazed, a strand of saliva at the corner of her mouth.

—Look at me —I ordered, pressing my forehead to hers—. I want to see you while my brother tears you apart.

I kissed her hard, swallowing her moans every time Iván speared her. I pinched one nipple, then the other. Camila trembled all over. Mateo positioned himself behind me, yanked my panties down in one pull, and shoved two fingers deep inside me, fucking my cunt to the exact rhythm of Iván’s thrusts.

—You’re dripping, bitch —my boyfriend growled in my ear—. You love watching us fuck your cousin.

—You have no idea how much —I moaned.

I lowered my head to Camila’s breasts and sucked them hungrily, biting her nipples while my other hand found her swollen clit and rubbed it in quick circles. She screamed.

—Don’t stop, Carolina, I’m about to come.

Her body tightened against the straps. The orgasm shook her from top to bottom, and I kept rubbing her without mercy, drawing it out until she looked like she was going to faint hanging from the cross.

***

Mateo didn’t give her time to recover. He moved behind her, caressed her ass, and murmured in her ear that now it was time to try her ass, but only if she begged like the little bitch she was.

—Cut the crap, Mateo —Camila panted—. Put it in already.

My boyfriend spat on his own glans, pressed the tip against my cousin’s puckered hole, and pushed into her slowly. He started with a slow, deep rhythm, savoring every inch. Camila needed more. She demanded he fuck her harder and Mateo lost control. He grabbed her hips, pulled them back, and started sodomizing her with brutal thrusts that tore muffled screams out of her.

I knelt in front of Iván. I took his cock into my mouth and licked it devoutly while I stroked him with my hand. I was dying to be fucked, but I wanted to wait my turn on the cross. I wanted to feel as used as Camila.

When Mateo moved away, my brother took his place and fucked her ass for a good while. Camila’s screams mixed with the creaking of the straps.

—Your turn has come, little slut —Mateo told me when Iván finished.

***

I’m not going to recount everything they did to me on the cross. It was more of the same: savage, intense, delicious. I’ll just say that I preferred being fucked only in the cunt, because I wanted to come a couple of times and because I knew perfectly well how I wanted the night to end.

When they untied me, I was swollen, red, dripping. But I hadn’t had enough. What I really wanted was to be fucked in the ass on the spanking bench, which is the piece of equipment that turns me on most in the whole dungeon.

Camila’s eyes lit up.

Mateo and Iván set the bench in the center and laid us both on it, one at each end, our faces almost brushing. They tied our wrists together in front and spread our legs, securing our ankles with straps on both sides. We were left completely exposed, staring directly into each other’s eyes.

Mateo positioned himself behind me. Iván behind Camila. They pushed at the same time. Mateo sank into my ass in one firm thrust, and I screamed into Camila’s mouth, who swallowed my cry with a desperate kiss. Iván did the same with her. They started sodomizing us in a synchronized rhythm, long possessive thrusts that shook us to the core.

We moaned into each other’s mouths. The bench creaked. The obscene sound of their hips slamming against our asses filled the basement.

—I think I could last all night like this —Camila whispered to me between kisses—. I just hope they can too.

—I guarantee they can last —I laughed—. Those two never get tired.

Every four or five minutes they switched. Mateo came out of me and went into Camila, while Iván took my ass with the same rage. The change of cock, rhythm, thickness, drove us crazy.

Sometimes they stopped at our faces and offered their cocks straight to our mouths. The taste was intense, dirty, forbidden. We opened our mouths eagerly, licked, drooled, watched each other while we did it, sharing that delicious humiliation. Then they went back to our asses without mercy.

***

When the burning of anal sex became too intense, we begged for mercy. Mateo and Iván gave in, equally compliant and cruel, and started taking turns in our cunts. The change was a relief: from the searing fire of the ass to the hot wetness of sex.

Iván speared me again from the front with deep thrusts. I felt his rhythm become erratic, desperate.

—Fuck, Carolina… I’m coming —he growled in my ear.

His cock throbbed inside me and a brutal orgasm ripped through me. I screamed into Camila’s mouth as I felt the hot spray flooding me inside. Iván kept thrusting until he emptied himself completely. Mateo, seeing that, sped up his thrusts into my cousin, gripped her hard, and let out an animal growl. Camila came almost instantly, trembling against the bench while he spilled inside her.

The four of us stayed silent for a few seconds, panting, still tied up.

***

We took a break. Mateo and Iván went to the kitchen for water and Camila and I went upstairs to the bathroom. I closed the door and we looked at ourselves in the mirror: flushed faces, tousled hair, sweaty skin.

—Fuck, cousin, I’m wrecked —she laughed, sitting on the toilet.

I sat on the bidet, letting the warm water refresh me. The relief was immediate.

—When we go back down I want both of them to fuck me at the same time —she said suddenly—. Real double penetration. I’ve got to take advantage.

I smiled. That idea had been circling my head for a while.

—I was thinking the same thing. They’ve never done that to you?

—Never. And I’m dying to. I want to know what it feels like when two cocks open me up at once.

That confession lit me up even more. We washed ourselves, gave each other a long kiss in front of the mirror, and went back down.

***

Camila didn’t waste any time. As soon as we crossed the dungeon’s door, she put the proposal directly on the table.

—We want both of you to fuck us at the same time. Double penetration. One first, then the other.

Mateo and Iván looked at each other for a second, with that expression halfway between surprise and delight, like children receiving a present they hadn’t asked for. Then they grinned from ear to ear.

—We’re going to wreck you tonight —Mateo promised, getting up from the sofa like a spring.

Iván leaned back on the leather couch with his legs spread, his cock pointing upward. Camila straddled him, guided him with her hand, and sank down on him with a long moan. Mateo positioned himself behind her, spat on her still-sensitive ass, and pushed in slowly, centimeter by centimeter, until he was all the way inside.

The three of them stayed still for a moment. Then they started moving.

Camila’s face was twisted in a grimace of absolute pleasure. Every time they pushed at once, her body jerked violently and she let out a guttural, almost animal moan.

—Oh my God —she panted—, I’ve never felt anything like this.

Her fingers dug into my brother’s shoulders. Her back arched in an exaggerated curve. She shoved her ass back against Mateo and dropped herself onto Iván in desperation.

—Carolina —she moaned, looking at me—, I can feel them brushing against each other inside me. Don’t stop, assholes, keep going.

I watched them sitting on the floor with my legs spread, rubbing my clit. Seeing my cousin caught between the two of them, split wide open, was one of the hottest images of my life. I came silently, biting my lip.

Camila’s orgasm hit like an earthquake. Her whole body tensed between them, she stopped breathing for an instant, and then let out a long, sharp cry that reverberated through the basement. Mateo and Iván kept thrusting until tiny spasms ran through her entire body and she collapsed forward onto my brother.

***

—Your turn, horny girl —Mateo told me when Camila lay down on the sofa on her side, panting with a tired smile.

I went over. Iván reclined again, his cock shining, still wet from my cousin. I straddled him, held his gaze, and took him in slowly. Mateo positioned himself behind me and entered my ass with the same cruel calm he had used with Camila.

I had three orgasms. The first came like a wave breaking inside me. The second, slower, while they eased the pace and fucked me with long thrusts. The third, when I was already at the limit, while Camila from the sofa called me a bitch and begged them to give it to me harder.

When I pulled away from them, soaked in sweat, I sank down beside my cousin.

Iván, who had been underneath in both rounds, sat up with that hungry look I know too well.

—I want to do it again. But this time I want to be the one taking from behind.

I shook my head, laughing weakly. Camila, on the other hand, smiled slyly and stood up with obvious effort.

From the sofa I watched my cousin —the one I had only just discovered that same morning in her adult side— transform into an insatiable slut between the two of them. She pushed her ass back, demanded harder, moaned without shame. She had one last brutal orgasm that left her screaming and convulsing between them. Only then, when she too had reached her limit, did the four of us collapse together onto the sofa’s leather.

***

That was how that night ended. I discovered two things I’m not going to forget. The first, the huge thrill I get from watching my boyfriend fuck another woman while my brother fucks me. The second, that Camila is quite a bit sluttier than I am, which turned out to be good news: the weeks she had left in Madrid before going back to Cartagena, we spent going down to the dungeon almost every night, and for once Iván and Mateo had to split the work between the two of us.