Sort by
Relevancy

Free Stories

50%
Eromenon vs mature whore
An eromenon for a mature whore When I looked up to see whose mannequin hands was serving my, I was surprised to find a girly-boy: ‘Something else,’ (s)he smiled, dragging his/her long, colourless varnished fingers across the tablecloth. I couldn't hold myself: ‘You've got the most beautiful ... Read full Story
hippocampus_171 2024-11-09 369 anal Crossdresser Amateur Blowjob Sex Toys Mature small cock big ass sissy femboy Ass to Mouth cum in mouth teen (18+)
100%
delicious virile male flesh
Tasted delicious virile male flesh… The breeze caressed my swollen nipples giving me pleasant shivers. The two glasses of Riesling had also contributed to my excitement. My crotch was burning as if the disappearing sun had blown all its thermal energy into me. Under my fine lace panties, purple o... Read full Story
hippocampus_171 2023-04-23 5,313 anal Small Tits Amateur Creampie Blowjob Mature small cock big ass feminisation cum in mouth gaycd virile
100%
Uncle sweet Lover
Uncle Barney called me this morning and wanted me to keep my evening free. He wanted to meet me at the motel with a surprise for me. I was so excited and could hardly wait. I had to decide on something to wear, but when I thought about it, I realized that I wanted to wear something special. He would... Read full Story
Regina10 2024-02-19 5,237 anal Crossdresser Big Tits Creampie Fetish Blowjob Big Cock Ebony Ladyboy Guy Fucks Shemale Mature big ass femboy
80%
A Fairy Tale Part 1
=-=-Chapter One-=-= "Heather?" My boyfriend was knocking on the bathroom door. "What's wrong, are you okay? Heather?" "Yeah..." I swallowed thickly and that was a mistake. I threw up some more, kneeling on the floor, feeling like I was dying. "Heather?&q... Read full Story
shemale lover 2011-12-06 11,878 Bareback cum ass fucking slave
50%
Transvestite father异装癖的父亲和儿子被农民工虐待
'migrant worker S, good at foul language and humiliation, SP, heavy hands, is it acceptable?' On the SM dating software, a message popped up. Migrant worker S. What the hell? I casually click on his information, 39Get 186 and 76, dynamic is full of handsome muscles, muddy shoes, a glimpse of gar... Read full Story
Oldslut Sissy 2024-08-21 2,192 Amateur Big Cock Asian Sex Toys Mature sissy chinese
50%
La bonne chair masculine…
La bonne chair masculine… La brise caressait mes mamelons gonflés me donnant des frissons agréables. Les deux verres de Riesling avaient également contribué à mon excitation. Mon entre-jambe brûlait comme si le soleil qui disparaissait avait soufflé toute son énergie thermique dans mon intérieur... Read full Story
hippocampus_171 2023-04-23 1,274 anal Small Tits Amateur Creampie Blowjob Mature small cock big ass feminization cum in mouth gaycd virile
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 24,351 Cumshot Blowjob fuck fingering big boobs
50%
eromène contre vieille pétasse
Une eromène baise une vieille pétasse Lorsque je levai la tête pour découvrir à qui appartenaient ces mains de mannequin qui me servaient, j'ai été surpris de tomber sur un girly-boy. "Autre chose" sourit-t-il/elle en traînant ses longs doigts vernis incolores sur la nappe. Je n'ai pas pu m'... Read full Story
hippocampus_171 2024-11-09 49 anal Small Tits Amateur Creampie Sex Toys Mature small cock big ass sissy femboy Ass to Mouth cum in mouth teen (18+)
100%
The Seductive Seed of a Tranny MILF
The Seductive Seed of a Tranny MILF SugarandSalt Jackson got home and immediately curled up in bed. He didn't want to move for the rest of the weekend. He'd finally worked up the courage to ask a co-worker out at work. She politely rejected the invitation. Then later on in the day, Jackson spo... Read full Story
Gwapo67 2022-05-03 8,215 Bareback Creampie Shemale Fucks Guy Blowjob Big Cock Mature cum in mouth
100%
Olderman and mature crossdresser Part 2
We left the park and drove to his house which was very nice.I knew he was wealth when he picked up due to his car was new jag. He fixed me drink and we sat on his couch and kissed and made out an heavy petting.He kissed my neck driveing me nuts as he did I rubbed his cock thru his pants which was ha... Read full Story
shemale lover 2012-05-26 4,227 Crossdresser anal sex Cumshot oral sex Mature cum swallowing
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 5,324 Group Sex Cumshot Bareback Shemale Fucks Guy Blowjob Big Cock gangbang domination Sex Toys Mature cum in mouth shemale + shemale
100%
Big Dick Alessia Visits Dallas
Alessia Hung Mature MILF travels to visit a Big Dicked Man and his Sexy Household If you like Transexuals, big cocks, bondage, BBWs, big clits, deep throat, fisting, 69, ass fucking, sounding, piercing, cum swallowing and big loads this story is for you. If not don't bother reading. If you fav... Read full Story
darrell 2022-04-20 4,736 Group Sex Cumshot Shemale Fucks Guy Blowjob blonde Big Cock Asian Shemale and Girl Sex Toys Mature Ass to Mouth shemale + 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 8,529 Bareback Creampie Shemale Fucks Guy Blowjob Big Cock Mature cum in mouth
100%
Meeting Amanda
I’m a happily married man. My wife Tess and I have been together since we were teenagers. We were each other’s first real lovers and being in our mid-thirties by now, we still madly in love with each other. Tess and I always are very honest and open to each other. Both in normal life and sexual... Read full Story
rforasht 2022-07-20 7,880 Big Tits Cumshot Shemale Fucks Guy threesome blonde Big Cock Lingerie Shemale and Girl redhead Homemade Shemale fucks couple
50%
champignons sous toutes ses formes et façons
La saison des champignons est ouverte! Miam... J'adore les champignons, sous toutes ses formes et façons. Nous sommes une quinzaine d'amateurs qui se retrouvent uniquement à l'occasion des ceuillettes de champignons sans aucun autre rassemblement amical! Pour cette dernière sortie de la saison,... Read full Story
hippocampus_171 2023-11-24 844 anal Small Tits Amateur Masturbation Mature small cock big ass bisexual Homemade cum in mouth bald
100%
mushrooms in all shapes and forms
Mushroom season is open! Yummy! I love mushrooms, in all shapes and forms. We were about fifteen mushroom lovers who only get together to pick mushrooms, without any other friendly gatherings! For this last outing of the season, our splendid instructor was accompanied by her cousin, who was sup... Read full Story
hippocampus_171 2023-11-24 6,942 Small Tits Amateur Cumshot Mature small cock big ass bisexual cum in mouth bald men glabrous
62%
White Sissies on Black Dicks
Sunni inhaled the marijuana, held it in for a few moments, and then released a puff of smoke in the air. The effeminate white man with a platinum blonde Mohawk pressed the number two button on his phone to listen to the message. He heard a deep-voiced Black man say he needed his dick sucked and woul... Read full Story
shemale lover 2014-09-11 12,793 ass suck Big Cock oral sex Interracial cd
100%
Getting Fucked By Jeff
Getting Fucked By Jeff I was sitting at the bar one night having a drink and wanting some dick when a man sat next to me and said “Hi, I am Jeff.” Smiling at him, I said” Hi, I am Penny.” Jeff and I chatted and he bought me another drink. After a while, Jeff said” In all honesty, I only boug... Read full Story
pennypenny 2019-02-25 6,667 Crossdresser Amateur Cumshot Bareback Creampie Fetish Blowjob Big Cock redhead Guy Fucks Shemale Ass to Mouth cum in mouth
88%
Tommy Tries to Make It Up
Tommy Tries to Make It Up I have written about Tommy before. He was the eighteen year old neighbor that always stared at me checking me out, basically eye fucking me and that made me so hot and horny I eventually took his virginity and trained up on being a great lover. Well he had moved out... Read full Story
pennypenny 2019-04-30 6,518 Crossdresser Group Sex Bareback Creampie threesome Blowjob Big Cock redhead Guy Fucks Shemale Ass to Mouth
76%
The Guy At The Pool
The Guy At The Pool Stepping out of my hotel room for a smoke I saw two young guys at the swimming pool which my room overlooked. One of them was standing outside the pool speaking to the other guy who was in the pool. The guy beside the pool immediately caught my attention, his shirtless bo... Read full Story
pennypenny 2019-10-21 7,016 Crossdresser Bareback Creampie Blowjob redhead Guy Fucks Shemale Ass to Mouth cum in mouth
100%
Steve
So on AFF, I used to be gold but guys will just hit you up, sooo I got hit up by an 8in boy. Wasn't sure I'd want to prep up an 8 so I didn't get all ripped up, but nice profile and a fucks a fuck sometimes. What to wear to get cum in tonight? Still pretty warm, I'll go mini with tighter leotard (mo... Read full Story
smtmsbrianne 2020-09-16 3,835 Crossdresser Amateur Group Sex Cumshot Outdoor Bareback Creampie Big Cock gangbang redhead Guy Fucks Shemale Ass to Mouth 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 3,341 Big Tits Cumshot Bareback Creampie Fetish Blowjob blonde Big Cock redhead Guy Fucks Shemale Ass to Mouth double anal
100%
Surprise Ending (Part Three)
I rolled my dick around her hole to spread the precum off it and lubricate it. The feeling was sensational and I couldn't spend much time easing my way in --I shoved right in the the hilt in one steady push. Karla practically jumped off the couch and screamed. I thought maybe I had hurt her (I am... Read full Story
Chantel13 2022-08-23 4,619 Crossdresser Amateur Group Sex Cumshot Outdoor Creampie Shemale Fucks Guy Big Cock Shemale and Girl redhead Guy Fucks Shemale Ass to Mouth
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 4,664 Stockings Crossdresser Amateur Group Sex threesome Big Cock domination Mature foursome Homemade cum in mouth shemale + shemale milfs
64%
Big Cock Heaven
This story is written from the Shemale's point of view. "Jane" is based on a real Transgender woman from California & my friend. She gave me the outline of a meeting she had with "Janardhan." ***** My name is Jane and I am a natural red head blue eyed 34 year old T... Read full Story
sach 2015-11-16 7,676 Big Cock ass licking redhead rimming Shemale on Guy
90%
White dress!
It had been a long and hot day that sunday! Some friends opted the idea to go drinks and have a cookout, little did i know how the night would end. By the time it got to midnight we were all drunk and wanted more action so we decided to head to one of the local bars for more drinks and see if we fo... Read full Story
PeterPiper 2018-03-22 6,331 Masturbation Bareback Mature Ass to Mouth cum in mouth
96%
Making A Man Out Of Tommy
I have two good friends, Brad and Matt who are actually my fuck buddies. Both of them travel for work, so they tend to be gone a couple of months at a time. I have a key to their apartment, so I can let myself in for sex when they are home and to bring in the mail when they are not. I also get to us... Read full Story
pennypenny 2018-08-31 10,202 Teen (18+) Crossdresser Amateur Masturbation Bareback Creampie Blowjob Big Cock redhead Guy Fucks Shemale Ass to Mouth 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 7,416 Amateur Fetish Blowjob blonde Lingerie Sex Toys Mature big ass Homemade
91%
My first big cock
So I'm deciding to post a story about an experience I had about a year ago. Ill start with a little background about me, I'm a bi crossdresser 22 years old 5'8" 140lbs, newly exploring bottom, very passable crossdresser. And extremely selective. I tried an online dating site ... Read full Story
Cbosh40s 2015-03-31 10,979 anal Crossdresser hardcore Mature sissy
60%
Sucking mature huge cock stepdad
When mom passed my stepdad KEN was alone for 3 yrs he made comments like you need tighter shorts your hair smells pretty one day as I was Su king my friends 5 inch cock as he surf cum on my face KEN walked in my room then told my friend to leave I started to cry and he said it was ok he new i was a ... Read full Story
Cumsuckinfool11 2018-04-11 7,958 Crossdresser Blowjob Ass to Mouth cum in mouth Big cock dad
50%
lust of a sex-agenarian nana-pops
Frenzied lust of a sex-agenarian nana-pops; between dream and reality I had never fantasized of a manly man, even after offering my virginity; to a fabulous sissy. Before my new Era, my fantasy preferences were always with glabrous he-she’s, same about my relationships after… BUT BUT BUT… My last t... Read full Story
hippocampus_171 2023-07-09 5,074 anal Small Tits Amateur Group Sex Masturbation Guy Fucks Shemale Sex Toys Mature small cock big ass sissy femboy
100%
sex-agenarian's onanic lust
An onanic lust of a sex-agenarian that I am; I'M IN BIG HEAT; it's the season of bodily reunions in nature... I'm like an elephant(e) waiting to be satisfied. My cloaca is starting to titillate at the mere sight (look hah!) of a guy's swollen crotch on the street... I activated all my sensors to sa... Read full Story
hippocampus_171 2024-03-09 4,616 anal solo Amateur Masturbation Creampie Sex Toys Mature small cock
50%
An alumni gathering like no other
An alumni gathering like no other; Sea/Sand/Sun' and why not 'Sex' in a vancancy club; we got together to celebrate the 40th anniversary of our 1st meeting at university. The only rule was to come without a partner to relive our 'frosh' days. with friends of whom I had lost all trace, a... Read full Story
hippocampus_171 2024-06-13 2,722 anal Amateur Masturbation Blowjob Sex Toys Mature small cock big ass Ass to Mouth cum in mouth
50%
An alumni gathering like no other; 2/2
... I opened my eyes, sobered up from the alcohol and my lust. Simo had already left. I had to get ready for the party, and I had to do it like a man! BUT, slut that I am, to make my breasts more prominent under my dark purple tank top, I tightened a transparent strap around my waist. You never kno... Read full Story
hippocampus_171 2024-06-16 2,684 anal Amateur Creampie Blowjob Sex Toys Mature small cock big ass cum in mouth
50%
Fluffy Takes a Walk
It neared dusk at ValueStar Motor Lodge which sat smack dab in the middle of the hood. Inside of Room Twelve, an average height, chubby, brown-skinned femboy repeated the douche. He let out the stream of lukewarm water and turned around to study the toilet as the hip hop music blared in the backgrou... Read full Story
Faggyboi and Puzziboi 2023-04-09 5,581 Crossdresser Big Tits Guy Fucks Shemale big ass sissy femboy BB fagg faggyboi puzziboi
93%
Homework
Daniel was a 15 year old teenager, like any boy his age, he was full of hormones and sexual fantasies for every pretty girl that passed in front of him. In the last weeks of the school year, the history teacher had a child and was absent from school, being replaced by teacher Marlene, a trans woman.... Read full Story
haroldãosanguebom 2024-01-09 7,691 Shemale Fucks Guy Big Cock Mature
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 2,409 Teen (18+) Small Tits Crossdresser Latina Bareback Shemale Fucks Guy Fetish blonde Big Cock Uniform Lingerie domination Premium HD
66%
Chinese Extremes Part 4
The ride to Master's residence was completely uneventful for Lien. The whole way she lay in the trunk of his limousine, hooded and gagged, with her legs strapped together and her arms secured with the armbinder. The trip may have been uneventful, but Lien wasn't bored. She spent the whole trip fanta... Read full Story
shemale lover 2012-01-17 4,836 torture extreme bondage and discipline
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 6,338 torture extreme bondage and discipline
42%
Chinese Extremes Part 3
It was time to leave Mistress Ming's house and Lien was dressed, or rather tied up, by the two little sissies. First a brutal corset was fitted around Lien's waist, followed by a broad, black leather collar. Lien's hands were then tied in an armbinder, a black leather sack that held Lien's arms behi... Read full Story
shemale lover 2012-01-17 8,828 torture extreme bondage and discipline
95%
T-Girl University
Jason was apprehensive about starting college, as any freshman would be. His high school girlfriend, Becky, whom he loved dearly, was going to a different college on the opposite side of the country. They had to promised to stay together but Jason was worried; there would be a lot of temptation for ... Read full Story
shemale lover 2012-09-05 15,088 Cumshot Masturbation Blowjob ass licking redhead
100%
The Society
I met her during the summer. I was only nineteen and working to save some money for college. I had been raised by my grandparents who had both passed away over the past year. After the burial costs I was far from wealthy. My parents weren't around so I was on my own at a young age. I had moved a cou... Read full Story
shemale lover 2013-01-10 17,680 Crossdresser sucking Big Cock ass licking big boobs
80%
Office Policy
“Ok ladies and gentleman, please put your hands together for the beautiful and talented Erika!” the DJ’s voice rang out over the thumping alternative beat as the object of my lust strutted to the stage. Erika’s saucy red curls bounced on her head and on her soft porcelain whi... Read full Story
shemale lover 2012-08-30 8,931 anal ass sucking threesome tits fingering sex blondie
71%
Birthday Present Part 1
Birthday Present or (I've Looked at Love from Both Sides Now) Chapter 1 "What would you like for your birthday?" my wife asked. "An unforgettable sex session" I answered, jesting. "Is that right? Well, we'll see" came the reply. I forgot all abo... Read full Story
shemale lover 2013-01-18 11,656 hardcore sucking Blowjob Lingerie ass fucking
50%
Giving Away Virginia Holton
Today would have to wait, thought Marla Holton as she hurriedly gathered her bag and notebook in preparation for a no-holds-barred departure from her office at Prism Design. As general manager she had the privilege of arriving and leaving at will, though no one could ever fault her for not putting i... Read full Story
shemale lover 2011-10-08 4,811 shemale cum ass fucking
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 7,089 Big Tits Bareback Creampie Shemale Fucks Guy Blowjob Mature cum in mouth
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 2,389 anal Amateur Cumshot Creampie Shemale Fucks Guy Latex Sex Toys Mature small cock
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 14,519 first time Teen (18+) Amateur Group Sex Big Tits Cumshot Outdoor Bareback Blowjob Big Cock Asian lesbian public place
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 5,870 Shemale Fucks Guy Blowjob blonde Big Cock Mature deepthroat cum in mouth toe sucking Fisting Anal
80%
Karen, My School Teacher Part 1
The Meet By FoxyHosed It all started when we got a new class teacher. Her name was Karen. She was a mature lady and had dark red hair to her shoulders. That first day she wore some short dark blue jeans and a brown blouse. My other classmates started whispering about her. “He-he! Have you seen t... Read full Story
FoxyHosed 2021-01-29 9,269 Crossdresser Fetish redhead pantyhose Mature pantyhose cd
50%
Al Fresco: An Erotic Sci Fi Tale
"Thank goodness for modern science," Ali said as she smoothed her tight black skirt across her shapely hips. The tall brunette turned this way and that in front of her mirror, admiring her taut, toned, and trim figure. Her hands moved up from her hips to cup the twin handfuls at her chest,... Read full Story
shemale lover 2012-09-19 7,428 Cumshot ass fucking oral sex cum swallowing
66%
Chinese Extremes Part 1
Phil had been looking forward to the competition for weeks and now that it was over, he felt slightly disappointed. Not that he really had anything to be disappointed about. He had advanced to the third round in the Karate tournament where he had met an admittedly better opponent. So it wasn't that ... Read full Story
shemale lover 2012-01-16 4,890 torture extreme bondage and discipline
88%
Very Impatient on a sex fanstay
Are you ready for this Mish?" "Not really but it's too late to back out now." I stood in a dark alley before a metal door shaking with both anxiety and the cold, waiting for the door slot to open and for the night to begin. I wouldn't admit it to my friend Simone but secretly I hoped we would ... Read full Story
ASSEaster5678 2018-07-10 11,075 Shemale Fucks Guy Big Cock Ladyboy Guy Fucks Shemale Mature
87%
Fem Firm 3: The Return Of Frankie
PART 1 THE VISITOR Over the next couple of months, it was pretty much business as usual at the Firm. You know, depositions, court filings, motions, hot sloppy blow jobs and ass destroying anal sex (Thanks Angela!).Not to mention Friday Fuckfests. But since I started working here everyone se... Read full Story
bennyx709 2016-11-14 12,606 anal sex ass fucking oral sex cock sucking thick cock
90%
Ginger loses her virginity
My friend's father, Mr Webster, had turned out to be anything but the pillar of the community he pretended to be. Despite his regular Sunday church attendance with Mrs Webster, it transpired he also enjoyed the company of other men. He was certainly enjoying me, and within a few weeks I had fal... Read full Story
Ginger__57 2018-03-26 7,134 Stockings Crossdresser Amateur Bareback redhead
100%
janine 2
After my epiphany, after my fainting, after my two near consecutive, mind melting orgasms, I was ready to meet the world with new resolve. No longer would I keep my true self under wrap. I was ready to become Janine, however I was going to have to be cautious, for the time being anyway. The first th... Read full Story
bunny cat 2019-02-08 3,975 solo Masturbation Sex Toys Mature