A teen boy reunites with his stepsister after two years apart and finds her transformed into an attractive young woman, leading to an exploration of forbidden attraction.
#sister
545 stories tagged with this.
Two sisters groomed by their father attend a high-profile politician's party where they are expected to sexually entertain a dozen powerful men.
A husband cheats on his wife with her younger sister after ten years of marriage and three children, told in brief, low-effort prose.
A man staying with his sister-in-law while his wife refuses sex attempts to seduce the older woman after catching a glimpse up her skirt.
A married man deepens his affair with his sister-in-law while his wife obliviously participates, leading to escalating boldness and tension.
Three futanari sisters, born from a mad scientist's experiments, seek revenge on their half-sister by blackmailing her with compromising photos.
A young man visits his former teacher’s home, where a sexual encounter with her sister is nearly exposed by the teacher’s unexpected return.
An invisible man with telekinetic powers spies on two sisters engaged in lesbian intimacy while plotting to seduce them both.
A shy junior high boy meets a beautiful girl and her younger sister on the first day of school, leading to an unexpected threesome.
A brother and sister navigate mounting tension and unspoken attraction after an accidental glimpse in the shower.
A man returns to a strip club expecting Ruby's promised surprise and discovers her identical twin sister Diamond joining her for a steamy synchronized stage routine that hints at further encounters.
A continuation of a swinging couple's Key West yacht trip with multiple couples engaging in group play and partner swapping.
A teen boy becomes friends with a new kid in town and finds himself drawn to his friend's older sister.
Twin Marissa uses her hidden mind-control powers to steal her sister's football-star boyfriend before graduation.
A sexually active teenage girl confides in her younger brother about a girl at school who has caught her eye, while their widowed mother pursues her own affairs.
Lisa pleasures herself alone while her sister Kate remains caged and at the mercy of their mistress Sandra, who offers a rare moment of comfort.
A sorority girl shares her first lesbian encounter with her beautiful roommate, who wields a large strap-on.
A man confesses to his wife about sleeping with her sister, discovering she had secretly wanted to watch.
A husband shares his wife and sister-in-law, culminating in a first anal experience with the sister-in-law.
Three couples explore swinging after sharing their fantasies over wine, leading to group sexual encounters.