sexstories.com
Top Rated Sex Stories
-
Loving Babysitter Part 3 by ButchKitty
Rated 95.8%, Read 174207 times, Posted Wed 18th of July 2012
Fiction , Blowjob, Consensual Sex, Erotica, Female / Girl, Lesbian, Mature, Oral Sex, Romance, Teen, Toys, Written by women, Young -
Bobbie in the Summer of 1967 by lastone222
Rated 95.8%, Read 43143 times, Posted Thu 10th of May 2012
Fiction , Consensual Sex, First Time, Teen Male/Teen Female, Virginity -
What Hides in Lexi's Silence (edit) by A2O
«While visiting their Grandma in a paradisiacal place in Brazil, Alan found out all his lovely little sister had bottled up inside due to her anxiety disorder, and all she was willing to share with him for being such a good brother to her.»
Rated 95.8%, Read 134244 times, Posted Fri 10th of September 2021
Fiction , Consensual Sex, First Time, Hardcore, Incest, Male/Teen Female, Virginity -
I love my son Daniel (1-4) by moonlitsilhouette
Rated 95.8%, Read 328413 times, Posted Tue 4th of October 2011
Fiction , Anal, Blowjob, Consensual Sex, Female solo, Female/Female, First Time, Incest, Male / Older Female, Masturbation, Romance, Threesome -
Farah by Mystic47
«When does a step-sister stop being a sister?»
Rated 95.8%, Read 152505 times, Posted Sun 2nd of August 2020
Fiction , Consensual Sex, Incest, Teen Male/Teen Female -
My Family's Little Secret by 2stfauther
Rated 95.8%, Read 690642 times, Posted Sun 8th of July 2012
Fiction , Consensual Sex, Incest, Male/Teen Female, Threesome, Virginity, Young -
Counseling at Camp Care pt. 2 by louderthansound
«Aly's first year being a counselor at Camp Care, an all girls summer camp. Her unique group of kids, makes for an interesting adventure.»
Rated 95.8%, Read 130179 times, Posted Wed 15th of July 2020
Fantasy , Exhibitionism, Girls / Female, Voyeurism, Young -
Discovering myself_(1) by Amandamania
Rated 95.8%, Read 209421 times, Posted Sat 29th of October 2011
True Story , Lesbian, Oral Sex, Romance, Teen Female/Teen Female, Virginity, Written by women, Young -
Hot Springs Getaway by JSipes7798
«During a weekend Getaway to Hot Springs two young couples become very close friends»
Rated 95.8%, Read 237105 times, Posted Fri 13th of October 2017
True Story , Bi-sexual, Female/Female, Group Sex, Lesbian, Male/Female -
Oh That Incest!! by Up and Away
Rated 95.8%, Read 347418 times, Posted Mon 24th of June 2013
Fantasy , Incest -
Covid19 and money troubles - Chapter 1 by Story Teller 101
«My husband and I have money worries.»
Rated 95.8%, Read 61509 times, Posted Fri 19th of March 2021
Fiction , Coercion, Consensual Sex, Job/Place-of-work, Oral Sex -
Jyll Part 3 by illdoashot
Rated 95.8%, Read 20256 times, Posted Sat 4th of August 2012
Fiction , Exhibitionism, Male / Females, Oral Sex, Threesome -
An incest birthday chapter 14 by nivek_88
Rated 95.8%, Read 239025 times, Posted Sun 20th of March 2011
Fiction , Anal, Group Sex, Hardcore, Incest, Oral Sex, Teen Male/Teen Female -
Finding Love Along the Tracks Chapter 2 - Prom's Aftermath by Railfan1984
Rated 95.8%, Read 29223 times, Posted Mon 24th of March 2014
Fiction , Blowjob, Oral Sex, Romance, Teen Male/Teen Female, Violence -
a beautiful wish Ch. 5 by Joe Brolly2
Rated 95.8%, Read 23856 times, Posted Fri 20th of July 2012
Fiction -
Can we Survive III by Wolfen1
Rated 95.8%, Read 56304 times, Posted Thu 20th of March 2014
Fiction , Consensual Sex, Male / Female Teens -
My Master my Dog: Part 3 by Neuromancer
Rated 95.8%, Read 98364 times, Posted Sat 25th of September 2010
Fiction , Bestiality, Female/Female, First Time -
A new day, a new me part 9 by P.O.I.
Rated 95.8%, Read 104616 times, Posted Fri 22nd of March 2013
Fiction , Romance, Teen Male/Teen Female, Violence -
Red Hawk the Spear Maker(Part 3 The Great Meeting Ground) by Red Tempest
Rated 95.8%, Read 59727 times, Posted Sat 6th of April 2013
Science-Fiction , Blowjob, Consensual Sex, Cum Swallowing, Male/Female, Oral Sex, Pregnant -
What a Deal! Chapter 3 by Deadeye_76
Rated 95.8%, Read 136593 times, Posted Wed 22nd of August 2012
Fiction , Anal, Domination/submission, Male / Females -
My Polish Neighbour Chapter 3 by Nettles7069
Rated 95.8%, Read 49776 times, Posted Mon 19th of October 2009
Fiction , Blowjob, Male / Older Female, Mature -
New Found Love 3 by T. Foxal
«JIm and Dani take relationship to new level»
Rated 95.8%, Read 62727 times, Posted Sat 14th of May 2016
Fiction , Anal, Bi-sexual, Blowjob, Consensual Sex, Cum Swallowing, Erotica, Female/Female, Group Sex, Romance -
Love Never Fades [Edit] by holybeep666
Rated 95.8%, Read 50934 times, Posted Thu 6th of June 2013
True Story , Anal, Blowjob, Consensual Sex, Cum Swallowing, Hardcore, Job/Place-of-work, Oral Sex, Romance, Young -
THE INDIA CHALLENGE 4: "I Quit" by Ike Man
«Tina has survived the challenges and especially the snakes. Now, in the aftermath, how does she handle what she has experienced?»
Rated 95.8%, Read 33756 times, Posted Fri 23rd of March 2018
Fiction , Blowjob, Consensual Sex, Cum Swallowing, Erotica, Exhibitionism, Female/Female, Job/Place-of-work, Male/Female -
The Piano Teachers' Pussy by twistmynipples
Rated 95.8%, Read 662301 times, Posted Thu 5th of August 2010
Fiction , Consensual Sex, Erotica, First Time, Male / Older Female, Male/Female, Masturbation, Older Female / Males, Romance, Teen, Teen Male / Female, Virginity, Young -
Leesa likes it big - Chapter 5 by Story Teller 101
«Leesa finds her husband can't satisfy her need for a big cock.»
Rated 95.8%, Read 104316 times, Posted Fri 30th of October 2020
Fiction , Bestiality, Bi-sexual, Blackmail -
An incest birthday chapter 4 by nivek_88
Rated 95.8%, Read 294945 times, Posted Sat 8th of May 2010
Fiction , Consensual Sex, Incest, Romance, Teen Male/Teen Female, Voyeurism -
Abby’s Erotic Assignment by stifflittlepoints
«14 year old Abby, had a crush on her teacher. She decided that one way to move things forward, would be to express an interest in researching erotic literature and reporting back to him . . . at her house, since her parents were gone to the cottage.»
Rated 95.8%, Read 273261 times, Posted Wed 13th of February 2019
Fantasy , Male/Teen Female, Masturbation, Oral Sex, School, Young -
Don't Use Mom's Panties 3 by TXtabber
Rated 95.8%, Read 106923 times, Posted Sun 3rd of March 2013
Fiction -
TheWay it is Now_(1) by At00micAsh
«he wakes up in a strange bed after a booze fueled night of debauchery with a stranger»
Rated 95.8%, Read 67140 times, Posted Sun 14th of April 2019
Fantasy , Cum Swallowing, Erotica, Older Male / Female, Written by women, Young -
3 Evil Sisters-Part 1 by SomeStory
Rated 95.8%, Read 1012548 times, Posted Mon 28th of November 2011
Fiction , Incest, Male / Older Female, Teen Male/Teen Female, Virginity -
11 - College Years 3 - Home for Thanksgiving by robstenson
Rated 95.8%, Read 58158 times, Posted Wed 4th of June 2014
True Story , Male / Older Female, Male/Female -
The Secretary(Merry Christmas)_(1) by Red Tempest
Rated 95.8%, Read 74949 times, Posted Fri 29th of March 2013
Fantasy , Blowjob, Cheating, Consensual Sex, Cum Swallowing, Job/Place-of-work, Male/Female, Mature, Oral Sex -
Sharing my Sister part one by alexs4227
Rated 95.8%, Read 274998 times, Posted Sun 20th of February 2011
True Story -
The Girls Next Door ? 4 by oldman6976
Rated 95.8%, Read 259656 times, Posted Sun 19th of February 2012
Fantasy , Anal, Ass to mouth, Blowjob, Cum Swallowing, Male / Female Teens, Male/Female -
A new arousal from a woman peeing by JSD44
Rated 95.8%, Read 138951 times, Posted Fri 22nd of June 2012
True Story -
The Girls Next Door ? 9 - Spring Break Pt.2 by oldman6976
Rated 95.8%, Read 83751 times, Posted Sat 14th of April 2012
Fantasy , Anal, Group Sex, Male / Female Teens -
Raza's Second Time: Breaking Into the Barn by ThePonderingLizard
«Raza's life has one giant horsecock-shaped hole in it, but that's all about to change.»
Rated 95.8%, Read 123366 times, Posted Thu 4th of March 2021
Fantasy , Bestiality, Blowjob, Cum Swallowing, Female exhibitionist -
Broken Birds, Part 13, Beloved by Deneb
Rated 95.8%, Read 36330 times, Posted Sun 21st of October 2012
Fiction , Bi-sexual, Group Sex, Male / Females, Oral Sex, Romance -
THE GIFT_(6) by The_Technician
Rated 95.8%, Read 36771 times, Posted Wed 30th of July 2014
Fiction -
Vacation By The Lake:3 by Moose5509
«Jake and Abby are bonding and getting VERY close as siblings. With new friends comes new relationships, and things start to really heat up in this summer vacation»
Rated 95.8%, Read 113688 times, Posted Sat 27th of March 2021
Fiction , Blowjob, Consensual Sex, Cum Swallowing, Domination/submission, First Time, Incest, Oral Sex, Teen, Teen Male/Teen Female, Virginity -
Sally Awakes - Chapter 01 by Story Teller 101
«I am Sally and this is my journey.»
Rated 95.8%, Read 109959 times, Posted Fri 11th of September 2020
Fiction , Domination/submission, Masturbation, Older Male / Female, Oral Sex -
Lost Empire 68 by pars001
«A man with a past, not tied to anyone makes a startling discovery that changes his life and his perceptions of it.»
Rated 95.8%, Read 33771 times, Posted Thu 27th of June 2019
Science-Fiction , Alien, Non-Erotic, Violence -
Lost Empire 54 by pars001
«A man with a past, not tied to anyone makes a startling discovery that changes his life and his perceptions of it!~»
Rated 95.8%, Read 34671 times, Posted Fri 29th of December 2017
Science-Fiction , Alien, Non-Erotic -
Substitute dad pt.5 by theblackknight
Rated 95.8%, Read 151647 times, Posted Thu 8th of August 2013
Fiction , Anal, Incest, Threesome -
Getting Wet With My Crush by WetWife999
«I good wife gives in to her sexual longings.»
Rated 95.8%, Read 165180 times, Posted Thu 1st of April 2021
True Story , Blowjob, Cheating, First Time, Written by women -
THE SPEED TRAP by lesley_tara
Rated 95.8%, Read 73080 times, Posted Sat 19th of December 2009
Fiction , Domination/submission, Female/Female, Job/Place-of-work, Lesbian, Romance -
BODYLINE BOWLING by lesley_tara
Rated 95.8%, Read 78789 times, Posted Sun 16th of December 2012
Fiction , Female / Girl, Lesbian -
The Exposure that started it all Part 2 by vanessa.evans
«Girly night dare game leaves Jade naked when a cute man arrives»
Rated 95.8%, Read 12426 times, Posted Tue 12th of October 2021
Fiction , Exhibitionism, Female exhibitionist, Spanking, Written by women -
In Plain Sight: An Escort's Story - Part 3 by MichelleK111
Rated 95.8%, Read 27624 times, Posted Sat 11th of July 2015
Fiction , Blowjob, Written by women -
Tanked by The_Technician
Rated 95.8%, Read 42504 times, Posted Sun 7th of April 2013
Fantasm , Masturbation, Mind Control -
Married to my sister by bstrbrwn1
Rated 95.8%, Read 374970 times, Posted Tue 21st of February 2012
Fiction , Consensual Sex, Incest, Oral Sex, Romance -
His mom teaches us by biggoxx
Rated 95.8%, Read 225165 times, Posted Wed 9th of November 2011
Fiction , Consensual Sex, Group Sex, Male / Older Female, Oral Sex, Teen Male/Teen Female, Threesome, Young -
Morgan's First Time with Her Brother - Part 2 by Larry78723
«I couldn't resist the lust I had for my sister»
Rated 95.8%, Read 79068 times, Posted Tue 5th of December 2017
Fiction , Incest, Teen Male/Teen Female, Young -
Ranchland - Chapter 10 by Preverted1
Rated 95.8%, Read 118191 times, Posted Sat 15th of October 2011
Fiction , Consensual Sex, Incest, Male/Female, Oral Sex, Romance, Teen Male/Teen Female -
Money Can buy Happiness Ch. 1 - 3 by Not a writer
«An old man searches for a young live-in housekeeper.»
Rated 95.8%, Read 167259 times, Posted Thu 28th of January 2021
Fiction , Domination/submission, Exhibitionism, Masturbation, Older Male / Female, Teen, Young -
A Geek in Mind by Catatonix
«A software developer at an NSA contractor develops hardware that enables an operator to progressively brainwash the computer user, then he steals the technology for his own benefit.»
Rated 95.8%, Read 84258 times, Posted Mon 29th of October 2018
Fiction , Cheating, Coercion, Consensual Sex, Exhibitionism, Job/Place-of-work, Male/Female, Mind Control, Oral Sex, Pregnant, Romance -
Luke & Violet 3 by Lukesmitty
«Luke and Violet join his friends in Mexico for vacation.»
Rated 95.8%, Read 51453 times, Posted Tue 1st of December 2020
Fiction , Anal, Blowjob, Cheating, Consensual Sex, Erotica, Hardcore, Male / Older Female, Mature, Older Female / Males, Threesome, Young -
Favorite Aunt - Ch. 10-13 by Trainman5771
Rated 95.8%, Read 80778 times, Posted Fri 31st of August 2012
Fiction , Romance -
Sam 17 by pars001
«A man is taken then returned. He's not the same or is he? Now with a lot of questions he leaves earth to search for the only other one like himself, so far.»
Rated 95.8%, Read 27672 times, Posted Thu 6th of June 2019
Science-Fiction , Alien, Non-Erotic, Violence -
NONE RICHER THAN I--Part 3 by senorlongo
«The conclusion of the story»
Rated 95.8%, Read 30612 times, Posted Tue 10th of May 2016
Fiction , Consensual Sex, Oral Sex, Pregnant, Romance -
The Julie Journals - When the planets align by Shady Lady Julie
«A true story of my second time with a dog»
Rated 95.8%, Read 890283 times, Posted Thu 25th of May 2017
True Story , Bestiality -
Lacey learns from Linda by bluemew
«A lesbian seduces a "virgin" on their initial meeting»
Rated 95.8%, Read 105612 times, Posted Thu 4th of February 2016
Fiction , Cheating, First Time, Girls / Female, Group Sex, Lesbian -
4 - Senior Year by robstenson
Rated 95.8%, Read 220533 times, Posted Tue 4th of June 2013
True Story , Blowjob, Cheating, Male / Older Female, Male/Female, Oral Sex -
from curious to first time part 8 by alilcurious
«From curious to first time part 8.... true story continued»
Rated 95.8%, Read 31857 times, Posted Sun 10th of May 2020
True Story , Anal, Bi-sexual, Boy / Boy, First Time, Gay, Romance -
Twincest Trina and Bree's Story Part 2 by ComradDillworth
«A story about two sisters.»
Rated 95.8%, Read 42267 times, Posted Thu 8th of September 2016
Fantasy , Female/Female, Incest, Lesbian, Masturbation, Oral Sex -
Please Fuck Me Son! pt 2 by nmcouple69
Rated 95.8%, Read 524637 times, Posted Sat 18th of June 2011
True Story , Incest, Male / Older Female, Written by women -
Saturday Night Seduction by dlcalguy
«A gay man picks up a naive straight guy and teaches him some things.»
Rated 95.8%, Read 211383 times, Posted Thu 11th of March 2021
Fiction , Anal, Blowjob, First Time, Gay -
Seduced by my son's friend - Chapter 3 by Story Teller 101
«My son's friend is visiting us.»
Rated 95.8%, Read 71934 times, Posted Tue 24th of November 2020
Fiction , Consensual Sex, Male / Older Female, Oral Sex -
Our Deceptive Mom by blueheatt
Rated 95.8%, Read 184872 times, Posted Fri 2nd of September 2011
Fiction , Blowjob, Consensual Sex, First Time, Incest, Masturbation, Oral Sex, Teen Male/Teen Female, Threesome, Young -
BEV--A GOOD DEED PAYS OFF by senorlongo
«Helping a classmate brings surprising dividends.»
Rated 95.8%, Read 112149 times, Posted Sun 13th of December 2020
Fiction , Anal, Consensual Sex, Cum Swallowing, Male / Female Teens, Oral Sex -
BEST PRESENT EVER: MILF NEIGHBOUR by jasmine walker
Rated 95.8%, Read 391335 times, Posted Sat 24th of January 2015
Fantasm , Anal, Domination/submission, Incest, Mature, Written by women -
Secrets of an Officer's Daughter part 5 by jintina
Rated 95.8%, Read 141288 times, Posted Tue 23rd of November 2010
Fiction , Blowjob, Consensual Sex, Cum Swallowing, Female/Female, Hardcore, Incest, Male / Female Teens -
The Bestiality Triplets - Day 1: Barbie Fucks a Dog by barbielez
«3 sisters. 1 dog. And lots of sex!!!»
Rated 95.8%, Read 595821 times, Posted Thu 1st of September 2016
Fiction , Bestiality, Blowjob, Coercion, Consensual Sex, Cum Swallowing, Erotica, Extreme, First Time, Hardcore, Male / Female Teens, Male/Female, Male/Teen Female, Oral Sex, Reluctance, Romance, Teen, Virginity, Written by women, Young -
In the family (part 2) by whatwefuckedindecember
Rated 95.8%, Read 235653 times, Posted Thu 13th of August 2015
Fiction , First Time, Incest, Romance, Teen Male / Female -
The unwitting third wheel or Hailey's story by theblackknight
Rated 95.8%, Read 226020 times, Posted Sat 13th of July 2013
Fiction , Consensual Sex, First Time, Oral Sex, School, Teen Male / Female, Virginity -
Best friend had a dark sexy fantasy. Chapter 1, The Beginning. by Pussyeeter
Rated 95.8%, Read 89661 times, Posted Tue 6th of August 2013
Fiction , Teen -
The Dorm Room by Sinister001
«A girl's first day in college becomes real interesting when she picks to have the only open single room.»
Rated 95.8%, Read 93987 times, Posted Fri 12th of July 2019
Fantasy , Alien, Hardcore, Male/Teen Female -
Tricks and Treats for Everyone Part 3 by stifflittlepoints
«Our teen Halloween party has moved to the basement and everyone cums to a climax via a couple of naughty games, orchestrated by the parents.»
Rated 95.8%, Read 120345 times, Posted Tue 12th of May 2020
Fantasy , Blowjob, Consensual Sex, Cum Swallowing, First Time, Group Sex, Older Female / Males, Older Male / Female, Teen Male/Teen Female, Teen Male/Teen Females, Young -
The answer was not what he expected - Chapter 2 by Story Teller 101
«A married couple have trouble connecting.»
Rated 95.8%, Read 101241 times, Posted Mon 5th of October 2020
Fiction , Bestiality, Domination/submission, Male Domination, Oral Sex -
Daddy Urges 2 (revised) by rdwriter
Rated 95.8%, Read 30030 times, Posted Sat 30th of October 2010
Fiction -
Convention Antics_(0) by Blueeyes14
«Based on a true story»
Rated 95.8%, Read 234888 times, Posted Fri 5th of September 2014
True Story , Cheating, Drug, Erotica, Male / Older Female, Oral Sex -
Lockdown - Daughter's Story 2 by Wemb17
«This story happens during lockdown in England and at various times involves Mum, Dad, Our Dog Patch and my Sex Forum Friend Robertbi»
Rated 95.8%, Read 151383 times, Posted Thu 6th of May 2021
True Story , Bestiality, Blowjob, Cum Swallowing, Male/Female, Masturbation, Written by women -
Sweet Dreams Part 5 - Strengthening The Home Front by Cryonic
Rated 95.8%, Read 33639 times, Posted Sat 18th of February 2012
Science-Fiction , Blowjob, Consensual Sex, Oral Sex, Romance, Teen Male/Teen Female -
Surprise Visitor - Part 1 by vnvet643
Rated 95.8%, Read 126690 times, Posted Thu 4th of September 2014
Fiction , Cheating, Consensual Sex, Mature, Older Male / Female, Romance -
Getting Back in the Dating Pool by Alberic Grunnion
«A widower brought out of his shell by a younger woman»
Rated 95.8%, Read 71286 times, Posted Fri 15th of October 2021
Fiction , Anal, Erotica, Older Male / Female -
Young Girl Next Door - Part 1 by stargazer228
Rated 95.8%, Read 864309 times, Posted Sun 12th of May 2013
True Story , Male/Teen Female, Young -
Blind Date_(0) by Daddy Warbuck
Rated 95.8%, Read 80658 times, Posted Sun 13th of March 2011
Fantasy , Blowjob, Consensual Sex, Cum Swallowing, Males / Female, Oral Sex -
My sister's hot friends: Day two by meshuggahman14
Rated 95.8%, Read 141387 times, Posted Tue 9th of August 2011
Fiction , Consensual Sex, Cum Swallowing, Teen Male/Teen Female, Young -
A MILF meets Sasquatch (?) by HornyOldWriter
«Alone on a car trip, a MILF gets captured and ravished by a creature that might resemble Sasquatch ... or Big Foot ... or just a big hairy horny ... something.»
Rated 95.8%, Read 101412 times, Posted Thu 9th of August 2018
Fiction , Bestiality, Domination/submission, Non-consensual sex -
The Hillbilly Girl by blueheatt
Rated 95.8%, Read 269760 times, Posted Sat 3rd of September 2011
Fiction , Blowjob, Cheating, Consensual Sex, Cum Swallowing, First Time, Male/Teen Female, Oral Sex, Young -
Visit to Aunt April's - Chapter 4 by mdb9555
Rated 95.8%, Read 78462 times, Posted Mon 13th of February 2012
Fantasy , Blowjob, Incest, Mature, Teen -
Filled, ch 2 by Impax
Rated 95.8%, Read 23823 times, Posted Sun 6th of October 2013
Fiction -
The Way it is Now.CH7 by At00micAsh
«this one is a bit longer. Not much sex. It contains more dialogue as Sarah and Philip work on getting things square»
Rated 95.8%, Read 18138 times, Posted Sat 4th of May 2019
Fantasy , Erotica, Exhibitionism, Female solo, Written by women, Young -
Different Dads, Different Daughters - Chapter 1 by Preverted1
Rated 95.8%, Read 1048830 times, Posted Sat 2nd of July 2011
Fiction , Consensual Sex, Incest, Male / Female Teens -
WHATEVER YOU LIKE by lesley_tara
Rated 95.8%, Read 192135 times, Posted Tue 21st of May 2013
Fiction , Female/Female, First Time, Lesbian -
Robbie & Eve - I'm right here if you want me by RobbieAndEve
Rated 95.8%, Read 114147 times, Posted Fri 12th of October 2012
True Story , Consensual Sex -
Georgia Part 05 by vanessa.evans
«Georgia isn't ashamed of her body»
Rated 95.8%, Read 58377 times, Posted Mon 5th of March 2018
Fiction , Exhibitionism, Female exhibitionist, Masturbation, Spanking, Written by women, Young -
Swimming Hole Extortionist by Mr. Butts
«A youth is introduced to new and exciting forms of pleasure at a swimming hole.»
Rated 95.8%, Read 139059 times, Posted Thu 9th of July 2020
Fiction , Anal, Boy / Boy, Coercion, First Time, Gay, Incest, Reluctance, Teen Male / Teen Male -
The House that Jo Built: Chapter Seven: The Found Weekend by yesimintoit
«A story about an older woman who hosts sex parties for local teens, and how that practice started.»
Rated 95.8%, Read 51678 times, Posted Fri 1st of January 2021
Fiction , Cum Swallowing, Group Sex, Males / Female, Older Female / Males, Teen Male/Teen Female, Virginity