Sort by
Relevancy

Free Stories

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 4,581 Stockings Crossdresser Amateur Group Sex threesome Big Cock domination Mature foursome Homemade cum in mouth shemale + shemale milfs
87%
TO BE OR NOT TO BE – PART 1
TO BE OR NOT TO BE – PART 1 by Spanky de Bautumn This is a story about how taking a play to New York City changed people's lives. A transgender coming of age story. I was born Harold Stanley Dayes, not a great name for a kid growing up. I know my parents loved me, but Harold was my mom's dad a... Read full Story
SpankydeBautumn 2021-02-22 4,136 Crossdresser Amateur Group Sex Cumshot Fetish threesome Blowjob Ladyboy Lingerie Shemale and Girl cum in mouth
66%
intimate Cousins
My favorite cousin and first lover, Billy, was just released from prison and I was anxious to see him. I am ecstatic that he is out, and I am thinking about all the past fun we had as I prepare to revisit those good times. Tommy knows all about my relationship with Billy and he understands my need t... Read full Story
Regina10 2022-05-13 6,315 Stockings Crossdresser Cumshot Masturbation Bareback Blowjob Big Cock Ladyboy Guy Fucks Shemale Ass to Mouth cum in mouth double anal
0%
Looking-Glass Ladyboy
I was taking a walk to stay--all right; I'll admit it--to get in shape, when I saw the "Going Out of Business" sign in the second-hand furniture store a block north of my condo. I wasn't in the market for anything, new or used, but I can't resist a bargain, and what was better for finding ... Read full Story
shemale lover 2011-10-29 7,865 asshole Fetish Ladyboy
85%
Becoming Zoe
My soon to be wife Annie had taken a job out of town and I only saw her every two weeks or so. I was so missing her. She and I had become long distance lovers. She was scheduled for a flight home on Friday night. I was going to pick up her son Zakk from his dorm and the two of us were going to p... Read full Story
Zöe from Kingston 2018-08-09 9,420 Stockings Teen (18+) Crossdresser Cumshot Bareback Blowjob blonde Big Cock Lingerie Mature cum in mouth
100%
Regina’s Double threat.
Hello guys, I recently ran into a former hater who was no longer the hater I had met years earlier. In fact, he had only treated me so horribly because of his own inner dark desires. When we met a few years ago at one of the clubs, he had been very abusive to me. He went out of his way to say hurtfu... Read full Story
Regina10 2022-02-08 3,275 Big Tits Cumshot Bareback Creampie Fetish Blowjob blonde Big Cock redhead Guy Fucks Shemale Ass to Mouth double anal
72%
ACROSS THE STREET AND TWO DOORS DOWN by Spanky de Bautumn
Jamie knew he was different. He didn’t fit in with the other boys, but he didn’t feel like he fit in with the girls either, he just knew he was different. He wasn’t into dolls or balls. He was the smallest boy in his class and more than half the girls outweighed him. But the one thing he had going f... Read full Story
SpankydeBautumn 2021-01-29 11,641 Teen (18+) Small Tits Crossdresser Fetish Blowjob Lingerie Guy Fucks Shemale cum in mouth
80%
my new life with my sister-in-law
Yesterday, I went to visit my brother's newly-divorced ex-sister-in-law in her brand-new apartment. It was meant to be a friendly visit and an opportunity to discuss her new start in life. To describe her to you, she's a slightly chubby woman in her forties, blonde hair, blue eyes, very charming wit... Read full Story
DicksFly 2024-02-06 7,259 Amateur Fetish Blowjob blonde Lingerie Sex Toys Mature big ass Homemade
60%
Daniel, Dani, Dana
After an hour of some hot steamy role playing online I got up from my computer. This newest and best chat friend ever was helping me enjoy this private time more than ever. My feminine alter ego seemed to flourish and delight when I spent time with him in chat. Wearing a little more risque under thi... Read full Story
shemale lover 2012-06-08 4,958 Fetish crossdressing sissy
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 34,465 Teen (18+) Crossdresser Cumshot Masturbation Bareback Shemale Fucks Guy Fetish Blowjob Big Cock Ladyboy Lingerie domination Homemade Compilation cum in mouth shemale + shemale
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 2,328 Teen (18+) Small Tits Crossdresser Latina Bareback Shemale Fucks Guy Fetish blonde Big Cock Uniform Lingerie domination Premium HD
76%
Porn Princess
They say if you are going on a journey of revenge, to dig 2 graves, one for your enemy and one for yourself. I thought I understood the meaning of that saying, but never so much as right now. My name is Dan, and at the age of 21, I had been working for nearly 2 years as a production manager for ... Read full Story
shemale lover 2012-09-02 24,244 Cumshot Blowjob fuck fingering big boobs
100%
A Game within a Game Part 1
Epilogue Rob came home from work. His wife Jenny was waiting for him. In her hands she held a letter. Jenny said: "We received this letter today. It is sad news from Marion S. We have met her and her husband John a few times - do you remember? John has had a car accident while driving fas... Read full Story
shemale lover 2012-03-05 14,474 Fetish bdsm crossdressing bisexual
66%
A different couple
I am Hans, as I already mentioned in my previous story, I am a mature guy (47 years old) who came to the Island of Tenerife more than two decades ago. I am a drinker, a womanizer and a gambler. In these more than 20 years I have seen them in all colors. I have made a lot of money and lost as much, I... Read full Story
lkusex 2021-03-08 5,872 Amateur Big Tits domination
82%
Bikini Boy
I was the boy my father had hoped for after 3 daughters before me. Life in our suburban middle class two-story house was as normal as anyone else's. My dad was a loving father bringing me up and doing the things a father likes to do with his son – baseball, fishing, camping, working the garage... Read full Story
shemale lover 2012-06-12 15,744 Cumshot Fetish oral sex crossdressing
60%
The Creators: Book One by
Chapter One: The Life Giver BRANDON My twin sister is dead, but she’s not gone. Death is a tragedy in the remote village of Towerhead, but it’s not a rarity. Farming accidents, disease, famine, natural disasters, you name it, it kills people in Towerhead. So, six years ago, when the oxen-pul... Read full Story
sagga 2018-09-18 30,598 Teen (18+)
85%
BANGING AROUND BANGKOK
BANGING AROUND BANGKOK: THE AMOROUS ADVENTURES OF CAITLIN "MEOW" MORRISON after living and working in Thailand/SE Asia for many years i decided to write an erotic story based on some of the people i have known, venues and places i have been, and the P4P night-scene where i spent way too much... Read full Story
bkkldby 2019-06-17 14,401 first time Teen (18+) Amateur Group Sex Big Tits Cumshot Outdoor Bareback Blowjob Big Cock Asian lesbian public place
40%
Dating all whole my life
Julia and Ilya, together 10 years It was more than 10 years and 2 children ago. In December 2005, we agreed to meet at the gate of my office after a working day. I did not go out godlessly for a long time (40 minutes from the appointed time), but he still waited. I hope he does not regret it ... Read full Story
PornoDating 2019-08-15 4,231 Crossdresser Amateur Big Tits Cumshot Bareback Creampie Fetish Blowjob blonde Big Cock Asian gangbang domination Guy Fucks Shemale Interracial sex Mature Futanari Frottage Compilation Ass to Mouth Cartoon cum in mouth double anal dating life in Mars? life
85%
My Awkward Phase
My Awkward Phase ©Alexandra Rios 2019 The greatest lie is that what happens in high school doesn't matter, because life begins in college. I pretended to agree, although I never believed it, for I was the world's greatest liar. Wannabees I was hanging out with my friends Quinn, Barb and Anne ... Read full Story
the greatest liar 2019-06-14 12,179 Small Tits anal sex Latina Masturbation Bareback Creampie Blowjob Big Cock transformation gangbang Shemale and Girl Guy Fucks Shemale Sex Toys Ass to Mouth cosplay hormones high school real life situations
100%
Our special trip
John and I were having a nice relaxing afternoon cuddled up on the couch watching TV. Our relationship was shifting from all about great sex to enjoying the time we spent together just being ourselves, with me dressed up of course, and the sex seemed to me to be more loving. I'd still seduced him at... Read full Story
shemale lover 2012-02-22 3,189 Fetish cum fuck wig dressing
73%
Nightclub Cum Slut
After splitting with my first boyfriend I went through a period of time I call my slut phase. I explored my sexuality in a massive way and did as much cock ass and pussy as I could. I thought that after I had been in a few relationships that my slut phase was over. I still had the odd one night stan... Read full Story
shemale lover 2013-01-10 7,392 Cumshot sucking ass fucking Guy Fucks Shemale ass fingering
100%
HOW ONE PEEPING TOM MORNING TURNED ME INTO A SHEMALE SISSY BITCH
It was while cutting across his back trailer park lawn around 7pm on misty July Saturday evening, when I first discovered that Mr. Parker was really a fag. How else could you describe a man wearing a long blonde wig on his head while below he wore only a large somehow stuffed pink lacey woman's bra ... Read full Story
CDDIXIE4U 2019-01-08 14,285 Teen (18+) Crossdresser Amateur Cumshot Masturbation Blowjob Big Cock Ladyboy Lingerie domination Guy Fucks Shemale Homemade Compilation Vintage cum in mouth
50%
I and the old man's story 后面中文
I am from Chongqing, a boy who loves his father. When I was young, my neighbor aunt always said I looked like my sister, like a beautiful girl. At that time, my family was relatively poor. My Sister, my parents, and my family of four lived in public rental housing of less than 30 square meters. Star... Read full Story
Oldslut Sissy 2024-04-15 9,408 Crossdresser Amateur Masturbation Asian Ladyboy Guy Fucks Shemale Mature small cock Homemade sissy chinese teen (18+)
75%
Aunt trip
In 2013, after almost three years of service in Afghanistan, George Madsen, a gay Royal Navy communications petty officer, retired. His experience in the distant deserts had left an indelible mark, the memories of friends lost and challenges faced still burned vividly in his mind. Coming home was n... Read full Story
Rebba 2024-04-25 3,651 Shemale Fucks Guy Blowjob Big Cock Ladyboy Guy Fucks Shemale shemale fucks shemale Fantasy Tale
97%
Stepdaughter's Transexual Surprise
I've been through two marriages in the past. My first wife died at an early age of 29 from a massive heart attack and my second marriage was a nightmare from hell, that I'm now free of. When I met Jeanie, I knew I had to take it slow and easy. Jeanie was a very nice lady in her early 40's. I myse... Read full Story
shemale lover 2011-12-04 13,796 anal Fetish transexual
65%
Marcia Goes Back to School
Marcia was painfully nervous. She hadn't been able to eat very much in days. The upside was she was even skinnier which would make Mistress and her husband very happy. She'd always been thin and on the diet Mistress Carol had her on she was already thinner than she dreamed possible. Her anxious stom... Read full Story
shemale lover 2012-12-19 10,824 Masturbation Blowjob blonde ass fucking big boobs
90%
A pervy uncle invited me to his house at 10 PM..!
It's been 8-10 years now, I had this amazing experience. I was standing at the bus stop in my area/street(my daily routine), one uncle was watching me but I ignored eye contact as I feel awkward the way he was looking at me because I act straight in public and I felt that he's seen my girly ... Read full Story
Cindy Sky 2021-07-20 7,482 Teen (18+) Small Tits Amateur Cumshot Outdoor Bareback Creampie Fetish Blowjob Asian Ladyboy Mature
100%
Sissy Femboy Chrissy in Drag at the Club
"Can you wear a dress tonight?" "I can't crossdress in public, I'm not 'out' and don't want to be seen that way." "That's okay. We're going to a gay-only club that has a drag queen show tonight, so you'd fit right in." "Cool, but I'll have to change when we get there." "Awesome! See you tonight!... Read full Story
Chrissy Tunnell 2022-02-03 5,390 Crossdresser Amateur Bareback Shemale Fucks Guy Fetish Blowjob Ladyboy Lingerie domination Guy Fucks Shemale Mature Homemade cum in mouth
50%
Lady Regina
I know that many say that I I’m a coward because I am comfortable living in the closet as a part time female and not expressing my special female side completely. My friends all tell me to go out and have fun and not worry about what people say or think. In spite of that, and because of the prudish... Read full Story
Regina10 2022-07-01 5,298 Crossdresser Big Tits Masturbation Bareback Fetish Blowjob Ladyboy gangbang Lingerie Guy Fucks Shemale Mature pov
100%
I wanna fuck almost everyday
I can't stop thinking to be Double penetrated for two men at the same time.... It makes me feel I'm insatiable gurl... Two Big cocks mmmmmmm after been fucked for so long ... I will never go back... And certainly I will totally satisfied and addicted to it...... Read full Story
Bellasohot 2022-07-13 4,105 Crossdresser Amateur Latina Bareback threesome Big Cock Ladyboy Lingerie Guy Fucks Shemale Mature Ass to Mouth double anal
80%
Samantha sissy TGTF
Theme and genre of the story: The genre is about gender bender, futanari, gay, physical transformations of the body, magic and biology, the kink in particular that must excite in the story is the perversion of the transformation of the body and mind through a magical element that manipulates biol... Read full Story
Samantha sissy world 2022-09-20 5,036 Teen (18+) Crossdresser Big Tits transformation transgender feminization pov sissification Cartoon magic Gender Bender
100%
Santa Likes Shemales Femboys
Did you know Santa Clause is real....and he likes shemales femboys??!I It happened last Christmas Eve. I fell asleep watching the snow fall just outside my window. I was comfy under my layers of warm blankets I clutched tightly, in the black lace panties and red lingerie night dress or nighty I wear... Read full Story
Chrissy Tunnell 2022-12-01 3,899 Small Tits Crossdresser Amateur Bareback Fetish Big Cock Ladyboy Lingerie domination Guy Fucks Shemale Mature
100%
Santa & Mrs. Claus
In my story called "Santa Likes Fembois" here I explained that I discovered that last Christmas when Santa Claus visited my house then made me suck on his cock before fucking my boypussy. He also gave me an actual present: a winning lottery ticket. Well, with that multi-million dollar winning ticket... Read full Story
Chrissy Tunnell 2022-12-01 3,842 Crossdresser Amateur Bareback Fetish Blowjob Ladyboy Lingerie domination Guy Fucks Shemale Mature cum in mouth
76%
Nylon teasers
They came into the video store where I worked as a clerk. Almost every day. Teasers. Both of them. What made it both great and terrible for me was that it fed my deepest fetish -- stockings -- as it denied me any fulfillment other than frequent and frantic "self-gratification."... Read full Story
shemale lover 2012-01-30 10,146 Stockings Big Tits fucking foot fetish
66%
Carioca holidays
My best friend was a shemale named Monica from Rio de Janeiro , she was a gorgeous and sexy brunette , many time at her home she use to tell me many story about her city and the fun you can have as a cd , also she says the guys are really hot and very well packed . One night we where chatting about ... Read full Story
Suellen blonde 2014-09-02 3,587 Group Sex suck Lingerie crossdressing cd
50%
Sadopsychorama
He liked Clyrissa. She was a cock-hungry female if there ever was one. At 5'5", she had platinum blonde dyed hair, big tits, and a tight waist. She was a hot lay. But the best thing about her - the thing that stiffened his cock whenever he saw her was the fact that she was 53 years old. Somethi... Read full Story
shemale lover 2011-12-24 3,947 Fetish shemale anus
80%
One night Transtand ;)
One Night Transtand By BalkanMan990 Published on Lush Stories on 05 Oct 2019 I had no idea she was a trans.. I didn't stop kissing or fondling her when I found out. I went out for a drink at one of the many bars at Croatia,where my girlfriend Sabina and I were staying.Sabina and I had been drin... Read full Story
BalkanLoco91Ri 2019-10-24 9,215 Small Tits Amateur Cumshot Masturbation Creampie Shemale Fucks Guy Blowjob blonde Lingerie Guy Fucks Shemale Homemade pov cum in mouth
33%
A Certain Perception
Kyra was not the girl of my dreams. I never DARED dream a woman that good would just walk into my life. She was smart, sassy, vivacious, intuitive, resourceful, and a real 'people person'. We met in an Internet chat room called "Working Girls". We're not talking about the kind you find in ... Read full Story
shemale lover 2012-02-23 8,473 Fetish transformation dildo
37%
Wedding Night Surprise
its my big dream to marry one women in our night wedding in the bed when i start to make her naked a discover i big dick between her legs wow she demand me to hide this secret and i accept ans she abuse to take me and more...... Read full Story
BIG DICK HUSBAND 2018-12-06 15,652 Big Tits Cumshot Bareback Creampie Shemale Fucks Guy Blowjob blonde shemale Big Cock Asian Ladyboy Lingerie domination Mature Homemade Ass to Mouth Surprise Weddings night husband
100%
Cum is a Cross-Dresser New Drink
Nikki looked up at me with her big, brown eyes as her head bobbed on my cock. Nothing was quite so sweet as one of her blow jobs. She had this way of dragging her tongue along the underside of my cock that made me want to cum in seconds. I always tried to hold it, but Nikki wouldn't let me. When she... Read full Story
ASSEaster5678 2018-09-14 6,730 Crossdresser Cumshot Ladyboy cum in mouth
100%
Sissy Femboy Chrissy in Drag 2: At the Apartment
This is Part 2 to the article I wrote called "Sissy Femboy Chrissy in Drag at the Club." In that story I explained how I am 41 but look, feel and sound younger, that I shave myself smooth and like dressing in gurly panties and other female clothes to be a sissy femboy for older guys. A guy I met on ... Read full Story
Chrissy Tunnell 2022-02-03 3,865 Crossdresser Amateur Bareback Creampie Fetish Blowjob Ladyboy Lingerie domination Guy Fucks Shemale Mature
100%
CD/TS Shemale Chrissy Fucked On the Ranch
I met John on the swinger site AdultFriendFinder. He was everything I was looking for: old, in his late 60s, and not rich, but financially stable and independent, owning a ranch that has been in his family for generations. Maybe he could become the Sugar Daddy I am looking for? I am a shaved-smooth ... Read full Story
Chrissy Tunnell 2022-03-04 3,888 Crossdresser Amateur Bareback Fetish Big Cock Ladyboy Lingerie domination Guy Fucks Shemale Mature
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 9,382 Cumshot Bareback Shemale Fucks Guy Big Cock Ladyboy
100%
Fender Bender Chapter 2
The bright sun shining through the window woke me up, for a moment I was confused and disoriented. Then it all came back to me. I had sex with Mark and Susan James last night and I was still wearing a pink baby doll nighty and matching panties she had given me to put on before we went to bed. I w... Read full Story
shemale lover 2012-07-26 4,498 Teen (18+) Fetish crossdressing
100%
An Invitation
"Oh come on,Sarah. There has to be a way." An innocuous enough statement, but that's how it all started. I'd just received an invite to Cressida's annual Christmas party which, maybe not on the Hollywood A list, was within the cognoscenti an occasion not to be missed. The soirees of ... Read full Story
shemale lover 2012-11-16 4,775 Fetish oral sissy
92%
MY Party Favor Fantasy
My Party Favor Fantasy A fictional story built around an old fantasy of mine I ran a notice on one of those sex sites that said” Help me fulfill my fantasy and I bet we take care of some of yours also. Hi there, I am Penny and I am a total bottom trans w... Read full Story
pennypenny 2019-01-08 7,528 Stockings Crossdresser Group Sex Cumshot Masturbation Bareback Creampie Fetish threesome Blowjob Big Cock gangbang Lingerie redhead domination Guy Fucks Shemale Sex Toys Ass to Mouth cum in mouth double anal
100%
Sissie Slut's Windows of Womanhood
I flash back to my first time with a grownup adult at the tender age of16 . I was so nervous now that we were here in the motel room. I was nervous for so many reasons. I lied to my family and told them I was staying at a friend’s house. Instead, I'm here with Mr. Joey in a motel room and he was my... Read full Story
Regina10 2021-02-22 6,873 Crossdresser Bareback Creampie Fetish Blowjob blonde Ladyboy Lingerie Guy Fucks Shemale Ass to Mouth cum in mouth double anal
91%
Hot Slutty Sissy
Hello, It’s me, and. I am about to make a big decision and right now I am dedicated to my fantasy. I got a call today from one of my ex boyfriends. I got so horny when I heard his voice that my nipples turn to steel. My titties seem to respond to the sound of his vibrating baritone. I couldn’t refu... Read full Story
Regina10 2020-08-14 7,004 Crossdresser Cumshot Bareback Fetish Blowjob blonde Big Cock Ebony Ladyboy Lingerie Guy Fucks Shemale Ass to Mouth
90%
Sissy Slut and Stepdads
Frank was pumping me hard and his huge cock seemed to have grown and become extra hard. I am so thrilled that way he enjoys fucking my ass with such passion. I would almost think he was in love with me if this relationship wasn't so bizarrey. It’s ironic that as a male I always get total humiliation... Read full Story
Regina10 2020-11-30 9,511 Crossdresser Bareback Creampie Fetish Blowjob blonde Big Cock Ladyboy Lingerie Guy Fucks Shemale Ass to Mouth double anal
100%
Sissy Slut and Stepdads part 2
My mother kicked Frankie out and swore that he was the last loser she would ever date. She believed that we were still having sex, and she was right. Pure raw animal lust drove us, and It was even better when we sneaked and got. That nervous adrenaline mixed with my passion and made me super horny a... Read full Story
Regina10 2021-02-15 4,354 Teen (18+) Crossdresser Big Tits Cumshot Masturbation Fetish Blowjob Big Cock Lingerie Guy Fucks Shemale Homemade Ass to Mouth
96%
Family Frolic
FRIDAY My sister and her husband wanted to take a few weeks off in the sun and asked me to look after their kids for a while. I'd move out of my tiny apartment and into their house for the duration. As I was still living off my severance and they had a nice spread with an indoor pool and a h... Read full Story
shemale lover 2012-01-14 31,319 strapon porn
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 14,199 first time sucking fuck domination
80%
How it started
What got me started off watching shemale porn was actually meeting a very beautiful shemale at a beach party. I already knew she was a guy but she was so beautiful. So at one point I asked her if she wanted to go for a walk and after a few minutes and let her know that I was down. Her response was ... Read full Story
PNPFUCKBOY 2019-02-12 12,190 Teen (18+) Small Tits Crossdresser Amateur Big Tits Outdoor Latina Bareback blonde Big Cock Ladyboy domination Guy Fucks Shemale Interracial Sex Toys Mature Homemade Ass to Mouth
100%
bi to sissy caught and turned
It was during a Wednesday nite supper this past April when Penny my wife of seven years, suddenly looked me straight in the eyes while calling me a GAY COCKSUCKER ! Instantly while I swallowed hard and quickly looked away from her, my worse dreaded fears in life had somehow just become reality! So ... Read full Story
redthongthong 2022-08-02 9,307 Crossdresser bisexual sissy crossdresser forced feminization CAUGHT!
50%
A Perfect Life
The reasons I am not writing this myself. I have finally convinced someone to do it for me. She promised to post it on the Internet, but only as fiction. I suppose it is a bit unbelievable. It all started with the best of intentions. I had married my love while we were still in college. She... Read full Story
shemale lover 2012-05-05 12,838 transgender