Sort by
Relevancy

Free Stories

44%
First time with a shemale
I must have been 16 back in the day, but I always looked older so it didn't really affect anyone's judgement in the sex world that I had loved since I can remember jerking off for the first time. I was walking the streets of Amsterdam that day, the Red light Disctrict looked like paradise on earth,... Read full Story
shemale lover 2012-02-14 7,071 first time Stockings Small Tits
88%
Girl from Uncle
Tonight, I have to tell it all. It’s no secret that my uncle and I had a very special bond he had been eyeing me with those adventurous eyes from the time that I was 14 years old. And frankly I enjoy his ogling. I could feel my nipples get so hard when he looked through me with those alert and spark... Read full Story
Regina10 2024-02-14 5,099 anal Crossdresser Big Tits Bareback Blowjob Big Cock Ebony Lingerie Guy Fucks Shemale big ass femboy 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 5,050 Teen (18+) Crossdresser Group Sex Big Tits Bareback Creampie Big Cock gangbang domination Guy Fucks Shemale Interracial double anal webcams
88%
Who's She?
School had been a bore for Tony. He was a bright lad and didn't have to work too hard to get through classes unnoticed by the teachers and class mates. He had plenty of friends but no one close. He didn't excel in sports or academically. He had picked up a few good exam results but had decided that ... Read full Story
Vinny_A 2019-07-08 11,592 Teen (18+) Crossdresser Amateur Big Tits Bareback Blowjob Lingerie
25%
CDSissy1 Training Regiment
New regimen for sissy Just wanted to say that lately I have a lot more time and freedom so I can play more....for the moment I have placed myself on a strict routine. I have to fuck my 8" dildo ON MY FUCKING MACHINE I figured that is a pretty good set up for an aspiring BBC slut.. It is important b... Read full Story
CDSissy1 2019-01-28 3,383 Stockings Small Tits Bareback Fetish blonde Big Cock Guy Fucks Shemale Interracial
66%
a day in the life of Amber SissyZofen 264
And the days had passed one after the other and now it was the day of my date. He sent me a txt at 8.30 on Saturday morning to say he was coming And you remember he was leaving his phone at home in case his wife called You know I had sent him my address, parking advice and left the gate ajar. ... Read full Story
amberdoll 2020-09-15 2,613 Stockings Small Tits Crossdresser Amateur Masturbation Bareback Creampie blonde Lingerie Homemade cum in mouth
50%
a diary piece - my next date
A diary piece - my next date I hadn't forgotten how to please a man and I had decided to be a little whore for him. Yes I enjoyed it very much and wanted to be fucked again the next day. When I start having sex I want it all the time. HiltonP had said he wanted a date again on 21st and 28th ... Read full Story
amberdoll 2020-09-16 2,583 Stockings Small Tits Crossdresser Amateur Bareback blonde Lingerie Homemade
100%
My favorite fuck part 1
Your responses and views have been a desirable response and encouragement for future stories. I’m just a guy, who wishes to be a girl, wanting to be seen and accepted as a female. So Thank you. I’m hoping to make more stories, and more to those willing to see me, and accept me. Much love :) Y... Read full Story
Mistysis 2020-11-02 2,805 Stockings Small Tits Crossdresser Guy Fucks Shemale
100%
TO BE OR NOT TO BE – PART 6
TO BE OR NOT TO BE – PART 6 by Spanky de Bautumn Part 5. Sunny and Antonio got frisky at the bar, Sunny moved in with Mel and Shari, and opening night was a success The only other dress that I brought was one that I hoped I would get a chance to wear but didn't think I would. It was a black ... Read full Story
SpankydeBautumn 2021-02-26 2,343 Stockings Small Tits Crossdresser Cumshot Creampie Blowjob Big Cock Lingerie Guy Fucks Shemale cum in mouth
100%
Fooled Into Love by a Beautiful Transexual
A fictional, steamy love story about a Man’s first experience with a Shemale... a real take charge kinda girl! Maria Lopez was an absolutely stunning 23 yr old Puerto Rican Goddess. I remember the first time I laid eyes on her, bent over inside her hatchback Toyota, pulling out a hanging fern pla... Read full Story
Oobatz 2018-07-24 12,573 Small Tits Amateur Cumshot Bareback Shemale Fucks Guy Big Cock domination cum in mouth
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 11,749 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
91%
My Seductive Secret (True Story)
During my childhood, me and my brother used to play with two other boys who were our neighbors every weekend. One day we decided to wrestle, and I took on the youngest one, (he was about 2 years younger than me, like my brother) and we wrestled in the shed while my bro and his bro (who was my age) w... Read full Story
Chickzdigmeyup 2019-06-18 13,966 Stockings Teen (18+) Small Tits Crossdresser Cumshot Outdoor Masturbation Bareback Fetish Blowjob Big Cock Lingerie domination Sex Toys Homemade cum in mouth
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 3,576 Small Tits Crossdresser Amateur Bareback Fetish Big Cock Ladyboy Lingerie domination Guy Fucks Shemale Mature
60%
Shemale Chrissy Fucked by a Demon
I wanted to write this the night it happened, Halloween, but I was still so traumatized. I was at my fictional fantasy Sugar Daddy's house alone and already spooked out by the noises of this old hundred-year-old wooden house in this loud thunder storm on what some call "Devil's Night." I had to turn... Read full Story
Chrissy Tunnell 2022-12-01 4,029 Small Tits Crossdresser Amateur Bareback Fetish Blowjob Big Cock Ladyboy Lingerie domination Guy Fucks Shemale cum in mouth
100%
Tight Spot
XtinaSmith2017 Cody bit his lip as he looked over towards the shop, a little anxious about their planned endeavor but not wanting to come off as uncool to his friends, "Are you sure this is a good idea?" he asked. His friends grinned and laughed, playfully nudging him as they made their way ... Read full Story
Gwapo67 2022-07-22 5,763 Big Tits Bareback Creampie Shemale Fucks Guy Fetish Blowjob Big Cock Lingerie domination cum in mouth
100%
My story
Please don't hurt me, I whimpered softly. Oh no my Lil slut, mommy has no intention of hurting you but making your fantasy become real, she said. But your thing, its kinda big. I'm a bit scared, I said. Mmmmmm, don't worry baby. Mommy wants this to be so good that you become my steady, she said... Read full Story
Curious_billy 2024-02-03 6,076 anal Amateur Big Tits Bareback Creampie Shemale Fucks Guy Blowjob Big Cock domination Mature Homemade cum in mouth
85%
Becoming a Shemale's Bitch
I just got into town and spent the whole day moving in and cleaning my new apartment. I didn't have much furniture but the place needed a lot of cleaning. I saw their was a bar a few blocks away from my apartment and decided to go out for something to eat. It was around five o'clock when I walk... Read full Story
metamafia 2012-12-21 118,582 hardcore Cumshot sucking bdsm domination
100%
TO BE OR NOT TO BE – PART 2
TO BE OR NOT TO BE – PART 2 by Spanky de Bautumn Part 1. Sunny, Mel, and Shari learn they are going to New York to perform a play off Broadway and are really excited about it. Being a small troupe, we unseen members had to wear many hats. Unfortunately, there was just the two of us, Joe Donn... Read full Story
SpankydeBautumn 2021-02-22 3,571 Small Tits Crossdresser Cumshot Bareback Blowjob Big Cock Lingerie Guy Fucks Shemale Interracial cum in mouth
94%
Sissy Slut: Gang Favored
I confess I am a nymphomaniac shemale slut who loves being the object of a man’s desires. That's why I was out here with these hookers trying to hook up with somebody to have sex. I'm either having sex or I'm thinking about having sex most of the time I like being a honey. I love having sex with men... Read full Story
Regina10 2021-03-02 7,412 Stockings Big Tits Cumshot Bareback Fetish Blowjob Big Cock Ladyboy gangbang Guy Fucks Shemale cum in mouth double anal
100%
Crossdresser gets dick for first time
I was so tired of just watching porn. So tired of the sissy hypno threads that made me crave men, crave cock, crave being weak, crave being the bitch...only to cum and do nothing about it. But the desire to transition from fantasy to reality was growing stronger and stronger. I decided it was ti... Read full Story
Sissy Ava 2022-10-11 7,734 Stockings Crossdresser Amateur Bareback Big Cock Guy Fucks Shemale Ass to Mouth cum in mouth
50%
A LA DÉCOUVERTE DE L'AMBRE ⚧️
J'ai toujours aimé la lingerie féminine. De regarder des catalogues à voir des copines le porter, j'ai adoré le look et la sensation de la lingerie sexy et soyeuse, mais pour moi, cela a toujours été plus profond. À 18 ans, j'ai essayé ma première paire de culottes, oh mon Dieu, c'était merveilleux ... Read full Story
Femboy 2021 2023-02-17 978 Stockings Crossdresser Cumshot Bareback Fetish Big Cock Lingerie Shemale and Girl domination Guy Fucks Shemale Sex Toys
100%
Shawshank affair
Courtrooms can be a scary place. They smell like older leather, the wood paneling has been polished with oil and each sound penetrates your body like a loud smack from a cap pistol, which echoes in the forest, especially the gavel smacking on a block from the Judge. I felt strongly that I would be f... Read full Story
Jon Paul 2018-08-20 6,518 Stockings Crossdresser Cumshot Bareback Creampie Shemale Fucks Guy Blowjob Ladyboy Guy Fucks Shemale Ass to Mouth cum in mouth
100%
TG girlfriend is my new neighbor
With Christmas and New Year’s over, the weather here in Florida has become cooler, 45 degrees last night and it will be in the mid-sixties for the rest of the week. We live in a sub-division right off the waterway, very private. My neighbor usually comes down around Christmas and stays until tax ti... Read full Story
Jon Paul 2022-01-17 4,075 Big Tits Bareback Creampie Shemale Fucks Guy Big Cock Asian Guy Fucks Shemale
100%
My story; don’t know which one... English version (1)
I notice that the're not many french language readers so have I decided to publish an English version End of the 80s; a tough time for a young reporter travelling thousands of km's for a crumb of titbit. A new event and more pressure every day for me. Seeing me in this floundering state during a ... Read full Story
hippocampus_171 2022-07-21 3,479 Small Tits Crossdresser Amateur Bareback domination Sex Toys Mature Homemade
100%
Erotic Dreams come true.
You start having intense erotic dreams — and the faces you see is one you don’t recognize but that feels familiar. Mandy was that girl that Chad had been dreaming of, the kind where to see her made a rush go through you like a hot flash. Chad had just broken off a relationship, and his sister war... Read full Story
Jon Paul 2023-05-26 4,824 anal Stockings Big Tits Cumshot Bareback Fetish Blowjob Guy Fucks Shemale small cock
100%
Sweet Encore
I was alone tonight and feeling just a bit paranoid as I listened to the soft music. The soothing sounds put me in a seductive mood, but It seemed that all my lovers were too busy for me, or they had other plans. Uncle Barney and my detective were probably home being dutiful husbands. Bo was under h... Read full Story
Regina10 2024-05-09 2,376 Crossdresser Big Tits Bareback Creampie Blowjob blonde Big Cock Guy Fucks Shemale big ass Ass to Mouth
100%
Regina" s Love session
As Tommy entered the apartment, I couldn’t help but notice that his cock was suddenly excited and outstanding tonight and I knew the reason. I smiled to myself with confidence because my l attire was getting the job done. I was wearing my shocking pink sheer lingerie with the frilly top that accen... Read full Story
Regina10 2022-04-01 2,330 Stockings Big Tits Cumshot Bareback Creampie Blowjob Big Cock Lingerie Guy Fucks Shemale pov Ass to Mouth cum in mouth
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 4,252 Crossdresser Cumshot Creampie Fetish domination Guy Fucks Shemale high heel boots
100%
Bimbo Bombshell - Chapters 1-2-3
Bimbo Bombshell - Chapter One: Singled Out! Even though it was Friday, the bar wasn't particularly crowded that night. I never knew what hit me. This Gorgeous Blonde bombshell, starts flirting with me right a my table. I found myself wondering why this glamorous beauty, had chosen me. I was... Read full Story
Hardrock51Fifty 2024-06-23 4,003 Stockings Big Tits Shemale Fucks Guy Fetish Blowjob blonde domination Guy Fucks Shemale blonde shemale PDA Public Displays of Affection
92%
T-Girl Meets T-Girl
It was a silent car ride home. He looked at her, she looked out the window. She looked at him, his eyes were on the road. Neither of them broke the silence. It stayed that way until he parked in her mom's driveway. The soft-spoken young man told his girlfriend, "Goodnight Ashley. I'll call y... Read full Story
shemale lover 2012-08-29 6,107 anal sex Cumshot shemale and shemale domination blondie
100%
Working Day
I wrote this whilst you were in York. I sat at my desk in your favourite undies. I was trying to get rid of the frustration and need for you. This made it worse but I did always say that I loved to be teased and made to wait! This, though, was incredibly hard to do...just needed you close, my cock i... Read full Story
shemale lover 2012-10-07 3,754 facial domination oral sex transvestite
95%
Best session with a T Girl
I like T-Girls. Recently had a chance to go to Costa Rica for work. While I was there I decided to see what Costa Rica had to offer in this department. There is quite a good amount of girls to select from. I started texting this Tgirl and we set a time. I got ready and headed over. It was a Hotel th... Read full Story
horny.hiker 2019-04-30 14,725 Stockings Masturbation Creampie Shemale Fucks Guy Lingerie rimming Ass to Mouth escort ts no lube anal fuck just saliva
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 11,766 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%
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 2,837 Stockings Cumshot Bareback Blowjob Asian Ladyboy Guy Fucks Shemale
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 7,824 Bareback Creampie Shemale Fucks Guy Blowjob Big Cock Mature cum in mouth
66%
Charisma & Tiffany Part 2
Tiffany's six cocks filled Charisma's six cunts and, although the sorceress was on top and, therefore, able to move faster and with more force and agility than the supine shemale, Tiffany, nevertheless, felt overwhelmed by the welter of sensations that had, as it were, laid siege to her consciousnes... Read full Story
shemale lover 2011-09-02 2,948 asshole shemale domination
100%
T-Girl Rodeo
Howdy folks, we would like to welcome y'all to the finals for the 10th Annual T-girl Rodeo! Now this here being the tenth anniversary and all we're gonna put on one hellva show for ya! Commentating up here in the announcers box with me is the first ever T-girl Grand Champion, Lorna "Tail Buster... Read full Story
shemale lover 2012-09-05 5,108 Masturbation shemale and shemale Big Cock condom sex ass fuck
92%
Southern Hospitality Ch. 04
XtinaSmith2017 Ash awoke feeling cold, he pursed his lips a little and shivered, curling up a little tighter, nude as he was, the action brought little relief from the cool air. He let out a soft murr of discomfort as his mind shook off the cobwebs of lingering dreams, he could see light throug... Read full Story
Gwapo67 2022-05-16 6,647 Big Tits Bareback Creampie Shemale Fucks Guy Blowjob Mature cum in mouth
100%
Shemale on wheels tour
Being a sexy naughty city girl like myself…I get allot of attention from the boys. I always enjoy getting the attention of the small town boys that are not used to seeing a sexy bitch like me roll though town. They jerk off to girls like me online all the time. But having me right in front of... Read full Story
shemale lover 2012-05-17 3,502 anal sex fingering domination oral sex facefucking
100%
Florida TG Experience
I had known Jan from High School, we always had an attraction for each other but were dating someone else or married at the time. Jan had actually married a friend of mine and I was envious of course. She at that time had sandy blonde hair, and a body to die for. One evening we had them over for dr... Read full Story
Jon Paul 2018-08-13 10,840 Group Sex Big Tits Bareback Creampie Blowjob blonde Asian Ladyboy Shemale and Girl Guy Fucks Shemale Ass to Mouth cum in mouth double anal
100%
Regina and Tommy
I was getting fucked hard and aggressively by a certified bad boy named Tommy. I've never been the kind of girl who liked bad boys until I met Tommy. Tommy like doing all kinds of wild crazy things to me and I was under a spell and couldn’t object. Tommy was like the asspussy whisperer and he gave m... Read full Story
Regina10 2022-03-02 2,908 Stockings Big Tits Cumshot Bareback Creampie Fetish Blowjob Big Cock Ladyboy Lingerie Guy Fucks Shemale Ass to Mouth
100%
Brian Becomes Brittney
My name Is Brian or at least it was the first 18 years of my life. Brittney is my new name.... All of this started when I was just out of high school. It was the beginning of the summer and I was feeling great. During the summer I was planning to do a study abroad program for a year before colleg... Read full Story
shemale lover 2012-09-21 4,712 domination oral sex Sex Toys
94%
Tortured by the T-Girl Tutor
Duncan didn't quite know how to handle it. He'd planned on a quiet Winter Break. Sleeping til noon, watching too much television and eating tons of junk food. That kind of stuff. He had a whole two weeks off from community college. At school, he was an outcast. They say life gets better after hi... Read full Story
shemale lover 2012-12-18 33,946 Big Tits shemale Big Cock Lingerie domination
90%
Brian Becomes Brittney Chapter 1
My name Is Brian or at least it was the first 18 years of my life. Brittney is my new name.... All of this started when I was just out of high school. It was the beginning of the summer and I was feeling great. During the summer I was planning to do a study abroad program for a year before colle... Read full Story
shemale lover 2012-12-21 5,191 Teen (18+) Crossdresser domination Sex Toys ts
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 2,447 Small Tits Crossdresser Cumshot Bareback Creampie Blowjob Big Cock Lingerie Guy Fucks Shemale cum in mouth
94%
The Girl Next Door Ch. 01
derezzed Michael was your average 21-year-old college student. He was on his way home from college for summer break after finishing his finals and looking forward to a few months of relaxation. Driving home Michael reflected on his past three years of college. It had been a great junior year. H... Read full Story
Gwapo67 2022-05-13 6,672 Bareback Creampie Big Cock shemale + shemale
100%
The Girl Next Door Ch. 02
derezzed Chapter 2 – Taking the Next Step Into Depravity Michael hardly got any sleep that night. When he did his dreams were filled with images of Jenny and her large penis. He tossed and turned in frustration. As he rolled over for what felt like the thousandth time he was blinded by the s... Read full Story
Gwapo67 2022-05-13 5,222 Bareback Creampie Guy Fucks Shemale cum in mouth
86%
Shemale Sherri Arrested for Theft
Sherri had had a tough night. First she was involved a little confrontation with a skinny bitch who thought that just because she had a vagina made her hotter than Sherri (and no, it didn’t), and then Sherri borrowed a bottle of whiskey from some advertising executives who called the police on... Read full Story
shemale lover 2013-06-29 5,174 tranny ass Cumshot shemale fingering domination
73%
Tabitha at 19
Tabitha’s home from her freshman year of college. She’s gone off to California to a screamingly liberal school and I’m sure she’s been making new friends, learning new things, opening her horizons and fucking safely. After I popped her cherry and we had a very discreet summer of me teaching her a lo... Read full Story
Giantsquid 2017-05-16 6,610 Small Tits Amateur Cumshot Blowjob Guy Fucks Shemale cum in mouth
60%
The Greatest Liar, Date With The Devil
The Greatest Liar, Trans Erotica With A Purpose © Alexandra Rios 2019, all rights reserved Disclaimer This is a work of fiction. All characters (including the narrator), firms, business entities, organizations, teams, products, medical providers, medicines, governments, government officials, c... Read full Story
the greatest liar 2019-08-20 4,032 Big Tits Bareback Creampie Guy Fucks Shemale
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 5,873 anal Small Tits Crossdresser Amateur Bareback Blowjob Guy Fucks Shemale Interracial small cock big ass femboy
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 9,852 Stockings Big Tits fucking foot fetish
100%
Shemale Mistress
Tony turns 21 and decides to go party with his friends. Tony, with Bob and Chuck, (his college roommates) want to try out a bar on the other side of town - a new bar called "Desires" that they had heard a lot about, but never visited. The bar was known for wild and crazy parties. They also... Read full Story
shemale lover 2012-05-02 4,866 Cumshot domination cum swallowing facefucking huge dick
88%
A girl from the bar!
This guy picks up a chick in the bar and takes her to a private room, the only thing on his mind is to fuck her, but there’s a surprise that the chick has prepared for him! When I stepped down to the hotel’s bar I didn’t even notice that girl at once. I sat my ass down on the so... Read full Story
shemale lover 2014-04-23 6,999 shemale ass fucking facial
94%
New Girl in Town
Margo sat next to me in the coffee shop late that Saturday afternoon. His real name was Mark, but he was one of the loveliest Drag Queens in New York City. I had been dressing secretly at home in my mother’s and sister’s clothes for just over three years, but at 18 years old, I had never... Read full Story
shemale lover 2019-06-04 9,978 anal shemale oral sex
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 4,773 Blowjob shemale cum