Sort by
Relevancy

Free Stories

100%
ladyboy Yaqi
After graduating, she began to wear women's clothing to work all day for a month. After Yaqi went to work in this company, she had to wear tight dresses and stockings and high heels every day. After a long time, she also got used to the close-fitting feeling of wearing pantyhose. More importantl... Read full Story
Victor Chen 2023-03-23 4,829 Asian Ladyboy
100%
Philippines Vacation with a Dominant Big Cock Ladyboy
I am still in a state of unbelievable joy that I was lucky enough to experience this but I 100% did and I can’t stop thinking about it as I thought things like this only happen in porn or fantasies. Buckle up because this is a wild one and happened in Manila May 2024. I had the opportunity to vi... Read full Story
AllenB 2024-07-01 583 Crossdresser Cumshot Bareback Creampie Shemale Fucks Guy Big Cock Ladyboy Guy Fucks Shemale cum in mouth domination act filipina ts filipina ladyboy
90%
Thai Ladyboy
One year ago, when I was 19 I went back to Thailand. The year before was to see the sights and explore the country, the second was more exploring and more fun, the third and final time was to get with as many ladyboys as possible. I had always been curious about trans women. Im not attracted to ... Read full Story
BEN437 2018-11-19 13,242 Teen (18+) Amateur Cumshot Bareback Creampie Blowjob Big Cock Asian Ladyboy domination Guy Fucks Shemale cum in mouth
100%
Thai Ladyboy
One year ago, when I was 19 I went back to Thailand. The year before was to see the sights and explore the country, the second was more exploring and more fun, the third and final time was to get with as many ladyboys as possible. I had always been curious about trans women. Im not attracted to ... Read full Story
BEN437 2018-11-19 4,993 Teen (18+) Amateur Cumshot Bareback Creampie Blowjob Big Cock Asian Ladyboy domination Guy Fucks Shemale cum in mouth
91%
My First Ladyboy
I was working in Bangkok a couple of years ago. As was the normal practice all the guys would finish work on a Friday afternoon and head to the local bar for a couple of beers. This particular Friday we were in the usual place chatting and having a nice relaxing time. When she walked in. Taller t... Read full Story
shemale lover 2013-08-09 12,880 Cumshot Asian Ladyboy big boobs
100%
First time with a cute ladyboy
It had been a long week at work. So I decided to go to the Sound Factory for a drink and maybe get lucky with the ladies. As soon as I got to the bar, I spotted a beautiful asian lady wearing leggings with pantyhose and a sexy little top. She offered to buy me a drink, who am I to refuse. So we had... Read full Story
shemale lover 2013-05-07 10,921 Cumshot suck Asian Ladyboy pantyhose
100%
Andy In Pantyhose
He had the house to himself for a few hours. Andy slid his older sister Kelly's taupe nylon pantyhose slowly up his nice, smooth legs, wriggled them up around his narrow boyish waist the band snapping in place. His penis was so stiff against the wispy fabric! He sighed happily. Sitting down on ... Read full Story
ALEXEAMES 2024-01-18 5,154 Stockings Crossdresser solo Amateur Masturbation Fetish Lingerie pantyhose Homemade sissy femboy teen (18+)
81%
First time with ladyboy / bottom
Hi everyone! now it is my turn to share my experience in Thailand. We were on a Christmas vacation on an island, and I didn’t even know ladyboy existed then. At a Christmas beach party I chatted and danced with a woman and we ended up in my bungalow. We kissed a lot and I knew that now I was g... Read full Story
FoxyLover'ts 2020-10-06 16,037 Cumshot Blowjob Big Cock domination Interracial Homemade cum in mouth ladyboy ts thailand ladyboy shemale fuck guys virgin ass bottom boy bottom virgin
79%
Fucked and sucked by a ladyboy
Our reader Maxie wants to share what it is like to be fucked up bottom by a ladyboy and getting a blowjob from her at the same time. Seems very exciting, what do you think? ;) On a recent visit to Thailand I went further than I ever thought I would. I picked up a "young lady" Bangkok wh... Read full Story
shemale lover 2015-02-09 10,011 suck Ladyboy fucking
40%
Been a ladyboy slave
I have been a slave to a ladyboy in thailand. I challenged her to wrestling match to see who is dominant and she won and sat on top of me nearly naked with her cock hanging over my face, and proceded to taunt me, and made me suck her cock and submit to her. Then she strapped a leash on me and tol... Read full Story
shemale lover 2015-08-07 8,960 sucking shemale domination
66%
Ladyboy dominatrix
If you read my other stories you know I'm intersexed and I was a ladyboy prostitute when I was um, very young. I don't condone such activities. They were sick perverts who used me. True I got a lot of money and expensive gifts but that doesn't make it right. They should all be castrated. Th... Read full Story
shemale lover 2012-10-15 9,828 Fetish Asian domination sissy rimjob
100%
Lady In The House Ch. 05
A story by MicheleNylons (Crossdressed prisoner is forced into prostitution.) From Part IV Then Eddie looked down at my body and noticed the semen pooled at the front of my panties. My semen! He looked down at his tight belly and saw a slimy stain that was the result of my ejaculate spread th... Read full Story
✘Transensual✘ 2019-02-25 4,458 Crossdresser domination PRISON prison sex
100%
I Give Up
The following story is the first of four parts of a tale that explores the theme of transformation. It is thematically similar others that I have submitted but has a larger narrative arc. I hope you enjoy reading the first portion, Act One & Two. I continue to work on better editing and someone h... Read full Story
ASSEaster5678 2018-09-14 9,023 Cumshot Bareback Shemale Fucks Guy Big Cock Ladyboy
85%
Busted and Hoodwinked
INTRODUCTION Mack and Barry were cell mates in prison which is where they first met. They had both been convicted of burglary and breaking and entering. The befriended each other while in prison and became lovers. Barry was gay and Mack became a bisexual during their time in the same cell. Mack a... Read full Story
shemale lover 2012-09-30 5,864 anal Cumshot Ladyboy oral
100%
Lady In The House Ch. 06
A story by MicheleNylons (Michele continues to be used by prison inmates.) From Part V Harry leant over me and kissed me full on the lips. "That was worth every penny; you are one hot nurse," he laughed. Harry grabbed a handful of my clean white skirt and wiped his cock on it. The silver... Read full Story
✘Transensual✘ 2019-02-25 3,688 Crossdresser domination prisoner prison sex Prison Bitch
100%
A Turkish Delight
My export business was beginning to take off as I was now on my second over sea's trip. I was doing business with the Turkish government and I also saw it as an opportunity to explore more my fascination of cross-dressing. I would be visiting a country where I was not know and I would blend in with ... Read full Story
shemale lover 2012-07-15 2,955 Creampie oral facial domination crossdressing
100%
Lady In The House Ch. 09
A story by MicheleNylons ( Continued adventures of a cross-dressed prison prostitute. ) I lay there stunned, how had I miscalculated my effect on the Warden? The one man who could guarantee a transfer from this shit-hole; fuck!!!! The cravings of male sexual hunger within the confines of the ... Read full Story
✘Transensual✘ 2019-02-27 5,750 Crossdresser domination Guy Fucks Shemale cum in mouth PRISON FUCKBOY PRISON PUNK prisoner Prison Bitch
100%
Lady In The House Ch. 08
A story by MicheleNylons (Crossdresser must comply with jailhouse heavy.) "You!!!" Eddie screamed through the bars, then laughed. "Well done girls, quite a show, I really enjoyed that; and so did Michele obviously," he said snickering and pointing at the tent in the front of my skirt caused by... Read full Story
✘Transensual✘ 2019-02-25 5,678 Crossdresser domination PRISON PUNK prison sex Prison Bitch
100%
Hung Trans Lesbians Fuck Two Ladyboys
Note 1: If you like Transsexuals, Trans Lesbians, Asian Ladyboys, Big Cocks, Extreme Cock Sucking, Anal Fucking, Anal Fisting, Semen Swallowing, Role Play, Orgies, BDSM, Cock Sounding and Foot Fetish this story is for you. Note 2: All the characters are over 21. The names are fictitious, but some... Read full Story
darrell 2022-01-03 4,255 Group Sex Big Tits Cumshot Bareback Fetish Blowjob Big Cock Asian Ladyboy Sex Toys Mature cum in mouth shemale + shemale
100%
2 Traileros
Una noche buscaba divertime con alguien y publique un anuncio donde buscaba a un hombre mayor que me hiciera su putita y le gustara verme vestida. A los 20 minutos un hombre me envio un mensaje diciendome que es camionero y estaria esa noche en la ciudad. Eso me exito mucho y le pregunte donde podri... Read full Story
chz 2018-10-17 4,638 Crossdresser Amateur Group Sex Cumshot Bareback Creampie threesome domination Ass to Mouth cum in mouth
100%
A Perfect Pandemic: A Transsexual Transition in a Troubled Time
A Perfect Pandemic A Transsexual Transition in a Troubled Time A Novelette by Alexandra Rios Text Copyright Reserved © August, 2021 Dedication Transgender Day of Remembrance is a solemn occasion. I am offering “A Perfect Pandemic” for free as an antidote to the fear, phobia, discrimination, d... Read full Story
the greatest liar 2021-11-16 5,054 Teen (18+) Crossdresser Group Sex Big Tits Bareback Creampie Big Cock gangbang domination Guy Fucks Shemale Interracial double anal webcams
86%
My First Ladyboy
I was working in Bangkok a couple of years ago. As was the normal practice all the guys would finish work on a Friday afternoon and head to the local bar for a couple of beers.. This particular Friday we were in the usual place chatting and having a nice relaxing time......when she walked in....t... Read full Story
shemale lover 2015-05-23 8,470 anal Blowjob Asian
100%
Eve Quest Part 2
Chapter 6 I tossed and turned all night sleeping for short periods, but afraid I would oversleep or that the clock wouldn’t go off. About 4:30 I got up. I reasoned I’d need some extra time anyway so I got started. I sat on the toilet thinking about my douche. Somehow a douche seemed s... Read full Story
shemale lover 2012-04-21 4,197 bdsm domination transvestite
0%
Tara's Adventures
Part 1 I had met them on line. Marla 1st then her owner Mistress Olivia. We chatted for well over a year and had met for drinks. They knew of my submissive fem side and we had planned meetings on several occasions but things always developed that upset them. Then a period of time developed whe... Read full Story
shemale lover 2012-08-11 5,184 anal Group Sex oral domination sissy
100%
Lady In The House Ch. 02
A story by Michele Nylons, Part II "She's all yours Eddie. She looks beautiful." I heard Carmel say as 'she' disappeared down the corridor, her high heels clicking on the tiled floor. Eddie appeared at the door to the cell, he stepped inside and closed the door behind him. "So what do yo... Read full Story
✘Transensual✘ 2019-01-11 4,727 Stockings Crossdresser Fetish Big Cock Uniform Lingerie domination PRISON PUNK prison sex Prisonboycum Prison Bitch
100%
CONOCIENDO A ENRIQUE EL FOTÓGRAFO CHILENO (parte 1)
Era verano, y acababa de terminar el colegio y salí a dar una vuelta por la plaza, era una mañana calurosa, me senté bajo la campiña un buen tiempo haciendo hora, y entonces oigo una voz poco común que se dirige hacia mí, era un caballero de nacionalidad chilena, lo note por la voz, de 30 años aprox... Read full Story
katiMelendez 2020-12-14 1,920 Teen (18+) Amateur Latina Bareback Fetish Ladyboy domination Homemade
100%
From a 50's virgin to a Mature good for all
***Prologue - Confessions: Every day since I offered my virginity, I put myself in the shoes of a woman. The little town where I live forbids me to show myself socially. However I made myself an accomplice, my epilator who receives me after closing. Since my new beginning, male masturbations are not... Read full Story
hippocampus_171 2023-01-11 4,282 Stockings Crossdresser Amateur Group Sex threesome Big Cock domination Mature foursome Homemade cum in mouth shemale + shemale milfs
90%
Becoming a Drag Queen
I was thrilled when my boss told me he was sending me to San Francisco for a conference. It was a location on my "Top 10 places I wanted to go". I went online and Googled the major attractions and tourist "must sees in San Francisco. The conference was Wednesday to Friday and I figure... Read full Story
shemale lover 2012-03-01 13,867 first time sucking fuck domination
85%
Whores and Pimps - Part I
Malcolm was a middle manager in a small business in a large city. Malcolm led a pretty boring life; he in his forties, single, devoted to his work, he liked to keep himself fit, all of his family lived interstate except for his older sister who lived nearby, and he led a quiet social life. Malcolm h... Read full Story
shemale lover 2012-05-13 7,942 Stockings Crossdresser Cumshot Fetish oral sex pantyhose
90%
On the Run
“Your first mistake was stealing hundreds of thousands of dollars from me. Your second mistake was thinking you could get away with it.” As I stood trembling before his desk, Mr. Atwater regarded me as if I were a bug on the windshield of his Lexus. “Do you have anything to say for... Read full Story
shemale lover 2012-09-01 11,217 Crossdresser Cumshot Blowjob jerking pantyhose
66%
Be My Bitch
After a long day at work, I get in my car, and look forward to the long drive home. It gives me time to unwind and relax. I try to forget about the hectic office and concentrate on my beautiful girlfriend waiting at home with that warm smile that she greets me with when I get there. However, tod... Read full Story
Go Balls Deep or Go Home 2018-08-06 31,239 Crossdresser Outdoor Bareback Blowjob Big Cock Ladyboy Lingerie domination Guy Fucks Shemale Interracial Sex Toys Ass to Mouth cum in mouth
91%
HOW MY AUNT AND SISSY NEPHEW CHANGED MY LIFE FOREVER! (fictional
It was the very first night of my month long North Carolina July summer vacation stay when my Aunt Meg suddenly entered the bedroom that I was temporarily sharing with my younger cousin Rudy. Being so openly effeminine in his body language,voice and looks, I had already planted such dirty thoughts ... Read full Story
CDDIXIE4U 2019-01-08 33,549 Teen (18+) Crossdresser Cumshot Masturbation Bareback Shemale Fucks Guy Fetish Blowjob Big Cock Ladyboy Lingerie domination Homemade Compilation cum in mouth shemale + shemale
92%
Lady In The House Chapter. 01
A story by MicheleNylons ( Man in jail is transformed to prison slut.) How had it come to this? I was dressed as a woman and standing in the far corner of a darkened cell on E Block of Chelmsford Correction Facility for Men, and waiting for the most dangerous inmate in the jail. How had a mild... Read full Story
✘Transensual✘ 2019-01-11 9,390 Crossdresser Bareback Creampie Fetish blonde Big Cock Lingerie domination Guy Fucks Shemale transvestite slut PRISON FUCKBOY prison sex Prison Bitch
100%
Lady In The House Ch. 03
A story by MicheleNylons ( Michele continues to be used by the inmates of a prison. Hot wet fluid suddenly soaked the tops of my thighs and the crotch of my panties. I felt stream after stream of his creamy seed shoot against my silken hosed thighs and being to slowly run down my legs. My crot... Read full Story
✘Transensual✘ 2019-01-11 6,320 Stockings Crossdresser Bareback Creampie Fetish Blowjob Big Cock Lingerie domination Guy Fucks Shemale PRISON PRISON PUNK prison sex Prison Bitch
100%
la storia di Sara
Erano alcune settimane che ciattavo con Sara, una trans bolognese conosciuta per caso in internet. Di Sara ho visto solo il bel viso molto femminile con lunghi capelli biondi ed il suo meraviglioso seno. Una sera stavamo parlando e lei mi disse " alcuni mesi fa mi sono rifatta il seno, ho conosciut... Read full Story
Sissy Mari 2022-03-22 2,306 Crossdresser Amateur Cumshot cum Ladyboy Lingerie Sex Toys Homemade shemale + shemale sissy crossdresser siisy slut
100%
My story, more or less pt.3
Earlier on, when I was scouring through various drawers and closets for feminine clothes in my home I have stumbled upon two old skipping ropes. "A fun time" I thought to myself, not giving them another look and continuing with my search. Little did I know they would become the backbone of my "sessi... Read full Story
Thigh_High_Boi 2023-01-06 3,580 Stockings Masturbation Fetish Ladyboy Lingerie Homemade pov
100%
Me encanta ser mujer.
Me gusta verme y sentirme mujer. Me encantan las prendas femeninas y de encajes, los vestidos de tela suave y ligera, la medias veladas, los sostén de encajes, las ropas interior delicadas y de encajes, me gusta maquillarme y pintar ,os labios, me encantan los aretes grandes y con pendientes, los ... Read full Story
IVANNKANAL 2021-06-18 2,196 Amateur Big Tits Bareback Creampie Fetish Blowjob Big Cock Lingerie domination Guy Fucks Shemale
0%
Latex succubus
The lights of the city obscured the supposedly brilliant starlight in the night sky, leaving only dim and scattered scattered stars adorning the gloomy night sky half-covered by dark clouds, and the crescent-like crescent moon guarding it in the distance makes the night seem less empty Lonely. Mayb... Read full Story
Alicexiao 2023-01-06 4,259 Crossdresser Cumshot Creampie Fetish domination Guy Fucks Shemale high heel boots
100%
Se vino dos veces dentro de mi.
Lo vi en un video porno. Le hacia el amor a una nena transexual. Recuerdo que varias veces me masturbe sola en mi cama imaginando a ese hombre haciéndome el amor a mi. El es un hombre muy acuerpado y musculoso, bien varonil. Todo un semental. Su enorme verga, blanca y venosa con una cabezota ro... Read full Story
IVANNKANAL 2023-02-16 4,071 Amateur Big Tits Bareback Creampie Big Cock Lingerie domination
50%
Giorgia e Helena esibite alla cena in villa
(storia di fantasia) Io e la mia amica Giorgia siamo due traveste molto effemminate, curiamo molto i nostri corpi e appariamo come femminucce sotto ogni aspetto ad eccezione delle nostre cazzette che sono praticamente sempre passive. Siamo ninfomani e completamente arse dal desiderio del sesso. Ci ... Read full Story
helentrav 2023-10-03 736 Crossdresser Cumshot Creampie Shemale and Girl domination small cock sissy cum in mouth
88%
Robbed And
I was in the ensuite off the bathroom applying the last of my make-up to complete my transformation from Martin to ‘Michele’ when I heard the disturbance. My wife Kerry was waiting for me in the bedroom nursing a gin and tonic. We had just returned from a boring party and I had convinced... Read full Story
shemale lover 2012-04-23 8,144 Creampie Fetish crossdressing nylon
87%
Mi primo y yo (parte 3)
Hola otra vez hermosos!!!, hoy les contaré la siguiente parte para que entren en contexto lean las historias anteriores nenes :* así entenderán lo que a continuación les relatare. Bien una vez llegando a mi casa después de una noche riquísima con mi vecino Chris tome mi celular el cual había olvi... Read full Story
Janin 2020-07-10 2,889 Amateur Masturbation Blowjob Big Cock Lingerie domination Sex Toys double anal
100%
My story, more or less Pt.1
I always knew I was different. I enjoyed playing with dolls and being around girls, I felt safe and in my place. When I got my first smartphone I have discovered porn, and boy was it an adventure! I have watched every type you can think of, but eventually I settled on shemales, the perfect cross ... Read full Story
Thigh_High_Boi 2022-12-22 4,719 Stockings Cumshot Masturbation Ladyboy Lingerie Homemade pov
50%
Hard Decisions by Elaine © 2020
Hard Decisions by Elaine © 2020 No one in this story is based on anyone alive or dead. It is a work of fiction and should not be read by minors. I appreciate the kind efforts of many of my friends who cast a welcoming glance over the initial writings. I owe you all a big debt of thanks. Prolog... Read full Story
Elainetguk 2023-09-06 4,761 Stockings Big Tits Creampie Lingerie Guy Fucks Shemale Mature
100%
A Downtown Moment
I had reason to head downtown for a meeting with some industry colleagues and after my meeting I dropped in to see a friend of mine who I used to work with. Loretta and I worked together for about a year on similar project as contract workers, I moved on to other things and she stayed with the compa... Read full Story
shemale lover 2012-02-28 4,822 pantyhose mistress
100%
A Turkish Delight Part 2
As I sat in my hotel room I pondered my future and what may lie ahead. My passport had been seized and I was not able to leave Turkey nor could I tell anyone about my plight. It was late afternoon when a courier arrived at my hotel with a large white box. He rang the bell and upon answering I was gr... Read full Story
shemale lover 2012-07-16 2,676 anal Creampie Fetish domination crossdressing
91%
Stepdaughters Pleasure Daddy
As I was showering, I was thinking about Anna coming. What would I say to her? How would I act? I felt very uncomfortable and I was getting extremely nervous. I finished washing, then shaved. As I was getting dressed, Dawn came in. "I know your hungry, Daddy, but let's go out for breakfast.&... Read full Story
shemale lover 2011-12-05 7,613 anal licking Creampie
66%
Mi amigo gay
Saludos a todos :) Bueno hace tiempo quería contar esta historia pero por diversas razones no había podido pero hoy se las comparto, mi historia es la siguiente: Hace unos años cuando cruzaba la universidad conocí a un chavo muy buena onda llamado Eduardo al cual todos conocían como Santy, e... Read full Story
Janin 2019-06-20 2,937 Amateur Blowjob domination
50%
La pistola NEGRA del Tío, entre Las Bragas de Mi Tía LA PUTONA
Aaayyy.. Yo sabía que la Tía había sido Flor de PUTONA.. pero, jamás me imaginé que me iba a tocar a mí 'hacerme cargo de sus cosas'.. su 'herencia'.. la casa ya vieja, por reordenar destinar y.. LAS COSAS que una descubre ya con los años! Todo estaba igual, pero HORRIBLEMENTE ARRUINADO.. más, e... Read full Story
Ari Riè 2021-06-03 2,004 Teen (18+) Small Tits Crossdresser Latina Bareback Shemale Fucks Guy Fetish blonde Big Cock Uniform Lingerie domination Premium HD
100%
How I Became His Office Fucktoy
Until this job ended last year, every day at my lunch break I would service one of my many Daddies in his office in the building where I worked. He'd always slip me a few bucks, a $20 or even $50 afterwards, not as a payment for sex, but as a "tip" "for all the hard work you do here," he says. I wor... Read full Story
Chrissy Tunnell 2022-02-18 3,664 Crossdresser Amateur Fetish Blowjob Ladyboy domination Guy Fucks Shemale Mature cum in mouth
75%
A Couple And A Shemale Encounter
Not long ago I was sitting home alone on a Friday night with nothing much to do and feeling horny so I decided to go out. I showered, misted myself with my favorite perfume, put on a sexy black bra, rolled on a silky new pair of jet black sheer to waist pantyhose, slipped into a tight, very short, l... Read full Story
shemale lover 2011-08-26 5,143 anal Creampie shemale
80%
First time out Part 2
After having experienced being out in public dressed up for the first time it was obvious I would want more of it. After leaving the adult theater I decided to take it to the next level. I Stopped off at a local all night store and went in to make a purchase. I picked up the things that I needed and... Read full Story
shemale lover 2012-04-19 2,750 Creampie oral sex pantyhose crossdressing
100%
An Unexpected Surprise Part 1
Mark's search for 'local color' ended when he entered the neighborhood bar called simply Sam's. It was going on 7 pm as he sat at one of the small tables near the back of the establishment. He was hoping to see some women in pantyhose in a place like this. The hotel bar he had come from was filled w... Read full Story
shemale lover 2012-11-22 4,386 tranny Creampie oral sex
50%
SOUS LA DIRECTION DE MAMAN
Jaime n'avait jamais eu beaucoup de chance avec les filles du lycée. C'était venu et reparti, et maintenant il en profitait un l'été dernier avant de partir à l'université avec sa virginité intacte. Ce n'était pas vraiment sa faute, il n'était pas un crétin ou un crétin, c'est juste que la vie et la... Read full Story
Femboy 2021 2023-01-26 1,414 Stockings Teen (18+) Crossdresser Cumshot Fetish Blowjob Big Cock Lingerie Shemale and Girl domination Guy Fucks Shemale Sex Toys cum in mouth
50%
SOUS LA DIRECTION DE MAMAN ⚧️ ⚧️
Jaime n'avait jamais eu beaucoup de chance avec les filles au lycée. C'était venu et reparti, et maintenant il profitait d'un dernier été avant de partir à l'université avec sa virginité intacte. Ce n'était pas vraiment sa faute, il n'était pas un salaud ou un douchebag, c... Read full Story
Femboy 2021 2023-03-18 1,012 Teen (18+) Crossdresser Cumshot domination Sex Toys cum in mouth
100%
Seven Lessons Part 2
That night he had many erotic images flood into his dreams, lingerie, fetishwear and sex, lots of sex. Hardcore action of all persuasions had filled his sleeping thoughts with him in both the receiving and giving roles. And then there were the bells, the bells were tolling for him. Actually, as t... Read full Story
shemale lover 2011-12-01 3,871 orgasm domination oral sex