Sort by
Relevancy

Free Stories

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 9,531 Crossdresser Amateur Masturbation Asian Ladyboy Guy Fucks Shemale Mature small cock Homemade sissy chinese teen (18+)
50%
The Making of A Sissy Part 10
Bella quickly gulped down her vodka and cherry, her bottom tingling with anticipation as her new mature friend gave her a commanding look; she had so enjoyed being submissive for her at the end of a leash, and now she knew she would be bound tightly on a soft inviting bed, and made completely helple... Read full Story
shemale lover 2012-05-29 4,747 dildo oral sex Sex Toys sissy
100%
the orgiastic fever of a trans-milf
Simulating a woman, or the orgiastic fever of a trans-milf It's been two months since I moved to the megapolis, where I've discovered several places where the third gender goes. One of my first explorations was a huge lingerie shop in a MALL; I wanted to buy some sexy stuff without being noticed ... Read full Story
hippocampus_171 2024-09-04 2,244 anal Amateur Cumshot Creampie Shemale Fucks Guy Latex Sex Toys Mature small cock
80%
TG Girlfriend moves in (part 2)
My wife Lydia and I have been married about 9 months, we have a very close TG friend, Joanne, that lives next door and every once in a while, we get together, and all go out and enjoy. We have had sex together, and when Lydia is away Joanne, and I are together at every opportunity. Joanne and I work... Read full Story
Jon Paul 2022-01-21 3,673 Big Tits Cumshot Bareback Creampie threesome Blowjob Shemale and Girl Guy Fucks Shemale
100%
A Not-So-Small Piece of Heaven
I'd never really been one for going out to bars to pick up women, but tonight was a bit different. It was my buddy's birthday, and he decided to invite me and a couple of other friends out to go bar hopping with him. Living in Miami, there was always something going on after the sun went down, so th... Read full Story
shemale lover 2012-04-28 4,007 Blowjob shemale handjob
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 4,393 Teen (18+) Crossdresser Big Tits Cumshot Masturbation Fetish Blowjob Big Cock Lingerie Guy Fucks Shemale Homemade Ass to Mouth
100%
His Perfect Shemale Partner Part 2
Quite a few things have changed since the last chapter. OK maybe not that many, I am still lusting after Sally's body needing to have my dick in her and feel her in me, but we are a lot closer now as we are living together. Sally has gone to her 1st choice University and I decided I would rather get... Read full Story
shemale lover 2011-08-28 5,067 Blowjob shemale cum
69%
From Mob to Shemale
Two years ago, I was a member of the Ciccio family in Chicago. I wasn't very high up in the organization, because I wasn't Italian. I had made my way up through the ranks, however, and was making a pretty good living. I had everything I wanted, got all the girls I wanted, and did just about ... Read full Story
shemale lover 2011-10-29 10,742 orgasm facial oral sex
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 14,356 Teen (18+) Crossdresser Amateur Cumshot Masturbation Blowjob Big Cock Ladyboy Lingerie domination Guy Fucks Shemale Homemade Compilation Vintage cum in mouth
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 14,468 first time Teen (18+) Amateur Group Sex Big Tits Cumshot Outdoor Bareback Blowjob Big Cock Asian lesbian public place
100%
2nd date with Latina Sissy Destiny
So this was my second time with Destiny, a really cool Latina CD/Sissy who had just turned 22. You might want to read my first goaround with her title, “Deflowering Latina Sissy Destiny” as it will give background and context here. After our first encounter, she signaled that she was definitely... Read full Story
AllenB 2022-04-05 4,374 Crossdresser Cumshot Latina Creampie Shemale Fucks Guy Blowjob Interracial cd Homemade sissy cum in mouth cum swallow amatuer cd
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 34,555 Teen (18+) Crossdresser Cumshot Masturbation Bareback Shemale Fucks Guy Fetish Blowjob Big Cock Ladyboy Lingerie domination Homemade Compilation cum in mouth shemale + shemale
80%
Chinese Extremes Part 2
When he woke up, it was like waking from a very vivid dream. Oddly enough he quickly accepted that it had not been a dream, but he did find the determination that had been missing the day before. It may have been a longtime sexual fantasy of his to be feminized against his will, but in the real worl... Read full Story
shemale lover 2012-01-17 6,308 torture extreme bondage and discipline
100%
Deflowering Latina Sissy Destiny
A real life story of my one and only time deflowering someone and being their first real encounter, I was 27 at the time and she was 21. I am absolutely convinced that Trans girls and CDs have a bit of a 6th sense when it comes to perceiving which guys are into them even in a public situation. I ... Read full Story
AllenB 2022-09-07 6,624 first time Big Cock Guy Fucks Shemale Homemade sissy travesti cum in mouth
100%
Hung Shemale has Motorcycle Trouble near Vegas
I drive down a deserted two- lane highway outside of Las Vegas, Nevada. It is August and the temperature is well over 100 degrees. In the distance, I see a tall beautiful mature creature that walks alongside the road. As I pull over, I am stunned by her powerful physique. She sports an incredibly ti... Read full Story
darrell 2024-02-02 5,821 Shemale Fucks Guy Blowjob blonde Big Cock Mature deepthroat cum in mouth toe sucking Fisting Anal
83%
The Making of A Sissy Part 12
Bella tried not to look too downhearted as Sandy dropped the pretty sissy back at her Aunt Jane’s. She told her to keep her chin up, keep the phone well hidden and use it to call her whenever she liked, regardless of what time it was. Her aunt smiled wickedly at the now primly dressed sissy as... Read full Story
shemale lover 2012-05-31 4,581 anal Fetish little cock sissy
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 12,249 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
78%
A Little Girl Forever
Since I was a little girl I dressed in my sister's clothes, she knew it and she kept clothes for me and sometimes she bought clothes thinking about me. She was my accomplice and still is. When I was alone I dressed totally as a woman and I felt totally satisfied and realized as such, this included m... Read full Story
Mabel Cecilia 2019-05-06 8,344 Small Tits Crossdresser Amateur Cumshot Latina Masturbation Creampie Blowjob blonde Lingerie Shemale and Girl Guy Fucks Shemale Sex Toys Mature self sucking Solo Shemale cum in mouth double anal shemale + shemale
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 5,451 Crossdresser Amateur Bareback Shemale Fucks Guy Fetish Blowjob Ladyboy Lingerie domination Guy Fucks Shemale Mature Homemade cum in mouth
100%
Beryl's birthday suit
I tried on my sister's panties when I was 12. They looked so cute, so sexy.. I couldn't help myself. I tucked my dick between my legs and pulled them over my hips, delicately positioning them just like a girl. They felt yummy! When I saw the shiny, lacy pink briefs in the mirror - snug, flat pu... Read full Story
Beryl 2023-12-12 7,678 first time Stockings Crossdresser Bareback Blowjob Big Cock Lingerie redhead sissy cum in mouth
50%
trans=demic
Trans-demic Chinese Flu Sam Wong read the email from Josh Epstein, the partner in charge of the fiendishly complicated real estate deal that had consumed the last three months of their lives. “You’re going to have to close this deal without me. I’m sick as a dog, and my wife just called an ambu... Read full Story
the greatest liar 2024-09-09 1,461 anal Small Tits Bareback Creampie Asian Guy Fucks Shemale small cock Ass to Mouth cum in mouth
100%
A Fairy Tale Part 2
=-=-Chapter Six-=-= I woke up sometime later and I was feeling better, even a little hungry actually, and I wanted a shower and I needed to pee and...I cocked my head as I heard the unmistakable sounds of Mistress Stacy's bed moving. She had a large one, king sized, with old springs or somethi... Read full Story
shemale lover 2011-12-06 6,975 Creampie Big Cock ass fucking
83%
Wife Left Me so I Could be a Girl
I Am The Girl My Wife Did Not Want As the only child of a single mother I grew up around all things feminine. Having lingerie and stockings drying in the bathroom was normal for me and I always loved how pretty the full cut nylon panties and slips with tons of lace looked. I lived at home with... Read full Story
ASSEaster5678 2018-07-09 10,717 Shemale Fucks Guy Ladyboy Mature
100%
How I Became Chrissy the Caged Sissy
I am a sissy, or femboy, or tgurl, or shemale? Well either way I like wearing female clothes and being treated like a girl, especially in the bedroom, and now I also like being locked up in a chastity cage that I wear 24/7 now. This is the story of how I became a caged sissy: "Put it on and ... Read full Story
Chrissy Tunnell 2022-01-27 4,476 Crossdresser solo Amateur Masturbation Fetish Blowjob Ladyboy domination Guy Fucks Shemale Sex Toys Mature Homemade
100%
Jo, Shemale Goddess! Part 1
Jo plumped the cushion and carefully positioned it until it was precisely at the right angle. Nothing less than perfection would do. Ricki, her friend of twelve years was coming to stay overnight and she would notice if the tiniest thing was out of place. An impatient knock on the door signalled ... Read full Story
shemale lover 2011-09-04 5,704 anal sex sucking shemale
93%
Interracial Sissy Story
(Some prior notes about me, this story and my writings: If MALE bisexuality, crossdressing or interracial sex bother you, don't even bother reading this further, much less commenting. Many have had secret fantasies about what it would be like to be the opposite sex, during sex. Some of my influences... Read full Story
shemale lover 2015-05-01 15,619 first time ass Cumshot suck cd sissy make up
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 4,633 Stockings Crossdresser Amateur Group Sex threesome Big Cock domination Mature foursome Homemade cum in mouth shemale + shemale milfs
100%
A Special Girl
Please allow me to introduce myself. My name is Steven Brun. I'm a young Black guy living in the city of Boston. I recently graduated from high school and started college. I go to Boston College. It's a school full of rich white kids but I'm liking it so far. The city is big, much bigger than the sm... Read full Story
shemale lover 2012-06-30 5,672 Cumshot Blowjob oral sex
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 10,855 Masturbation Blowjob blonde ass fucking big boobs
93%
Sissy Experience - Episode 1: The Beginning
Hello All, Hope you’re all doing well!! This story narrates the beginning of my crossdressing and sissy adventures. Before I begin I’ll tell you somethings about my family. We are a family of four consisting of me, mom, dad and an elder sister. I am currently 20 years old and in college. My da... Read full Story
brownsissyboi 2020-05-15 8,373 Teen (18+) Crossdresser solo Amateur Cumshot Masturbation Fetish Asian Lingerie Homemade
100%
First Cock Came From Old Friend
It was Saturday and I had nothing to do so I decided to go for a drive. I got into my car and headed out of the city in no particular direction. After driving for a while I realized I was close to Jim's house. We have been great friends for years but have not seen each other for a long time. I decid... Read full Story
shemale lover 2011-10-03 5,005 asshole oral sex teasing
71%
Creating Alyson
"Is it an acid?" Diana answered hesitantly. My snigger from the back of the room told her it wasn't. I knew people thought me arrogant, and a know-it-all, but as usual I couldn't resist. All year during the chemistry classes for the science course she was following, Diana had strug... Read full Story
shemale lover 2013-01-11 5,364 Crossdresser hardcore sucking Blowjob oral sex
100%
Office Casual
"Good morning Ms. Anderson," Karen said as her boss walked past her desk station and into her office. "Good morning Karen," Ms. Anderson said, not even stopping to make eye contact, "I'm going to be very busy today, so I'll need you to let me know if you get any mail fo... Read full Story
shemale lover 2012-08-30 4,042 brunette cock Masturbation Blowjob shemale big
100%
Karen, My School Teacher Part 4
Meeting my other teacher By FoxyHosed Next morning as I woke up, I jumped in my clothes and got myself a coffee, and went to school. I got in 15 minutes early because I didn't want to run into Karen. As I entered the door to the school, I saw some of my classmates. I thought the coast was clea... Read full Story
FoxyHosed 2021-02-17 8,073 Crossdresser Cumshot Masturbation Fetish Blowjob Big Cock redhead pantyhose feet toes legs cock ass pantyhose legs
100%
The Big Mature Shemale Next Door
The Big Mature Shemale Next Door SugarandSalt "Please can I just wear my old swimming trunks?" Warren begged. "No!" his mom yelled back from the other room. "Barbara purchased that for you. It was expensive so you better remember to thank her." Warren looked at himself in the full length mir... Read full Story
Gwapo67 2022-05-03 8,444 Bareback Creampie Shemale Fucks Guy Blowjob Big Cock Mature cum in mouth
100%
Alessia Travestita Hung Mature Blonde British Porn Star
Alessia Travestita Hung Mature Blonde British Porn Star If you like Transexuals, big cocks, bondage, domination, deep throat, fisting, spit roast, 69, ass fucking, cum swallowing and big loads this story is for you. If not don’t bother reading. If you like my story please leave comments and ... Read full Story
darrell 2022-01-03 5,246 Group Sex Cumshot Bareback Shemale Fucks Guy Blowjob Big Cock gangbang domination Sex Toys Mature cum in mouth shemale + shemale
74%
Sexy Young Shemale
When I was twelve my next door neighbors Sam and Ted trained me in the art of cocksucking and creamy yummy delicious cum eating for hours everyday during my summer vacation and I fucking loved it! I was small framed and wore my long blonde hair in a pony tail and always wore my smallest shorts so I ... Read full Story
shemale lover 2018-09-28 10,811 sucking Big Cock cum swallowing
66%
Elizabeth: Beginnings of a Sissy
I had a pretty good system going. My 18 year old sister would stay up to watch Sex And The City reruns with me (well she watched, and I smoked weed), and during the first ad breaks, would run downstairs and get changed for bed. During the next ads, I would go to the bathroom, and on my way, raid her... Read full Story
shemale lover 2012-04-02 4,905 first time Fetish Blowjob facial Sex Toys sissy
100%
Clara Bow's Academy for Ladies
Peter had had no choice in the matter from an early age. As he car drew up to the huge ivy clad castle-like building, having entered through electronic gates in a ten foot wall, he felt doomed yet excited. His cock was erect in the tight panties his Stepmother has chosen for his introduction, his an... Read full Story
shemale lover 2013-03-27 5,207 Teen (18+) Small Tits shemale public softcore
100%
Who's The Sissy Now?
Like many people, I was bullied in school. I was small, slender and effeminate and, as a result, was often called gay, queer, fag and sissy by school bullies. The fact that what they said was sort of true just made it closer to the bone and more painful to hear. Like many teenage boys, I was going t... Read full Story
shemale lover 2012-11-14 7,192 shemale facial oral sex
90%
How I became a cute femboy CD part 4
My legs finally started to work again and I turned and was about to walk to my bedroom when Kevin’s voice stopped me. “Come on, Natalie, you know you want to. You have been crushing on David ever since he moved here.” “You’re an asshole, Kevin. You know that. You are a total asshole! I tho... Read full Story
Cute_Femboy 2016-04-05 12,759 first time cumming crossdressing cd sissy cumshot in mouth
100%
Casino Girl
I had been working as a casino dealer for several years and would occasionally meet some very attractive women and chat. Asian women have always been attractive to me, whether the exotic appearance or maybe because my Mom was Pacific Islander, and a lot of people thought I was Asian. Mia was a bit... Read full Story
Jon Paul 2022-01-03 3,165 Stockings Cumshot Bareback Blowjob Asian Ladyboy Guy Fucks Shemale
84%
She never saw it coming
When I was 19/20 I used to frequent LGBT bars roughly twice every month. Most nights not much would happen but I found myself going to the trans nights more often. Until I eventually had some experience with trans girls. It was mostly fairly soft fun. Me getting oral and occasionally topping th... Read full Story
chris1989r 2022-02-01 5,428 shemale gangbang facial
100%
Towel Boi: You're Hired
Kasey Stevens woke up in his new studio apartment. The five-foot-nine, blue-eyed sissy with ash brown hair yawned and stretched before heading into the bathroom. He showered, taking good care to lather his rosy skin with strawberry scented body wash. He shaved his legs and rinsed off. Then, he appli... Read full Story
Faggyboi and Puzziboi 2023-11-14 6,398 anal Small Tits Crossdresser Amateur Bareback Blowjob Guy Fucks Shemale Interracial small cock big ass femboy
100%
Sissy Slut Reunion
Rob had moved back to town and called me. He had just moved into his new place and he wanted me to come by and talk. I knew what he really wanted from the tone of his voice, because I wanted it too. He said he had been thinking and dreamed about me the whole time he was away. My spirits lifted and ... Read full Story
Regina10 2020-09-14 4,449 Crossdresser Big Tits Cumshot Bareback Creampie Fetish Big Cock Ebony Ladyboy Guy Fucks Shemale Ass to Mouth cum in mouth
100%
Sissy Crissi Chapter 1
Chapter 1 -- One Dreamy Night Like most Friday nights, my roommate Erika would be gone tonight. She and her new boyfriend, Leroy, were taking off for a private weekend. Erika and I had met about two years prior, when we were introduced by a mutual friend. Being fresh off a divorce, I was in need ... Read full Story
shemale lover 2013-01-30 8,189 anal sex Cumshot Masturbation Blowjob Guy Fucks Shemale
80%
Transsexual Savage
John had walked for eleven days. He was headed towards Fort Winston at the Hiat River, and he still had about three days ahead of him. The Hiat River was the natural border that separated the civilized world, where he came from, and the savage and brutal wilderness, where the natives lived and pract... Read full Story
Anal Orgasm 2020-07-10 6,515 Big Tits Outdoor Masturbation Bareback Creampie Shemale Fucks Guy Blowjob Guy Fucks Shemale
94%
Renting out a room
When my wife suggested that we rent out the guest rooms above the garage to a college student it sounded like a good idea. It was very much like a small apartment, with a bedroom, bathroom, and small living room. No kitchen of course, but we could share ours and it seemed like a good way to make a l... Read full Story
Alic91lovesporn 2015-07-29 21,689 suck shemale jerking orgasm domination
100%
TO BE OR NOT TO BE – FINAL ACT
TO BE OR NOT TO BE – FINAL ACT by Spanky de Bautumn Part 7. Sunny spent the night with Antonio and the next day they went to Mel and Shari’s for some fun. Antonio had school, so he was up and out early on Tuesday. Mel was in the shower and I was laying in bed, my mind wandering and not real... Read full Story
SpankydeBautumn 2021-03-02 2,843 Small Tits Crossdresser Cumshot Bareback Creampie Blowjob Big Cock Lingerie Guy Fucks Shemale cum in 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 9,556 Crossdresser Bareback Creampie Fetish Blowjob blonde Big Cock Ladyboy Lingerie Guy Fucks Shemale Ass to Mouth double anal
100%
Kelly's first cock
I've been dressing on an off for as far as i can remember, starting when i was at school, coming home early and putting on my mum's lingerie and heels and wanking myself off looking at my reflection in the mirror. However, it wasn't until i went to uni that i started to get into tranny porn, where i... Read full Story
kelly louisa 2012-10-16 4,881 first time Crossdresser Blowjob slut sissy
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 31,397 strapon porn
50%
J'ai enfin goûté la bonne chère/chair
Dépucelée en bon et du forme... Chose jamais osée depuis que je goûte la jouissance par tous les sens et dans tous ses sens... Je la découvris quand elle m'a sourit en guise de remerciement pour lui avoir cédé le passage dans la superette du bled où j'étais pour affaires. Sandales à ses pieds d... Read full Story
hippocampus_171 2022-11-09 1,297 Small Tits Amateur Shemale Fucks Guy Guy Fucks Shemale Mature Homemade Ass to Mouth Vintage cum in mouth
50%
I kneel in front of Dominatrix Persephone
Fan Mail. I kneel in front of Persephone.. She looks amazing in Her latex catsuit, but there is something else eye catching. Chance, Persephone huge hó rse c... It looks intimidating in picture, but just think how it must look when it is right in front of your face!! Holding it in my sissy hands, i... Read full Story
Dominatrix Persephone 2024-06-18 4,155 anal Stockings Cumshot Shemale Fucks Guy Fetish Big Cock redhead domination Interracial Mature Homemade sissy femboy teen (18+)
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 12,235 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
29%
Me
I cum here to lopk at all the beautiful shemales I can find. Damn, theres 1,000s I want to wank or enjoy to. Theres not just one kind I want to fondle and cuddle with. But too many to see all. How to choose? Gotta be a trans, transgender, ladyboy, shemale.... Have some tits baby. Large cock is al... Read full Story
Str8guy4u 2019-11-22 4,637 Big Tits Latina Shemale Fucks Guy Blowjob blonde Big Cock Ladyboy masturbating Mature Vintage shemale + shemale Date hot fun 1st timer