#sibling-relations

A college-aged woman living with her brother gives in to long-held fantasies when a hot summer night leads to an intimate encounter between them.

A young woman discovers a hidden peephole into her older brother's bedroom, opening the door to forbidden voyeuristic thrills and sexual curiosity.

A Harry Potter fan fiction following Gabrielle Delacour as she struggles to master her magic under her family's watchful eyes.

A teen continues his secret BDSM relationship with his twin sister's best friend while trying to keep it hidden during a tense group hangout.

A man sneaks his girlfriend (his friend's sister) into his room and must hide her from her overprotective brother who unexpectedly shows up.

A down-on-her-luck woman takes a cleaning job from her sister that turns into an unforgettable encounter when she discovers what the client really wants.

In a supernatural hot tub, Lucifer, God, and a mortal named Rachel navigate jealousy, divine favors, and body-altering gifts while teasing each other about prior conquests.

A programmer creates a hypnosis program to help his overweight sister lose weight, only to use it for his own bidding.

Siblings explore public sexual acts at college while their friend uses a strap-on on her pregnant sister, all under the eyes of watching classmates.

A 13-year-old boy schemes to have sex with each of his many brothers one by one.

Siblings involved in a swinging lifestyle consider expanding their group of partners as they navigate sexual openness with each other.

A trans woman wakes beside the man she and her sister shared the night before, reminiscing about their intense group encounter as desire stirs again.

A rogue must heartbreakingly sever his romantic bond with his sister to fulfill a dark bargain and save his harem, all while racing to destroy a sorcerer's soul crystal before the final battle.

A college-aged futa visits home for her half-sister's 18th birthday, exploring her identity and desires.

Justin and his slaves navigate bizarre parallel universes as a time-manipulation machine reshapes reality and tests their control.

A man continues a taboo sexual relationship with his married sister, grappling with guilt over her infidelity to her husband.

A man reunites with his recently separated elder sister and a late-night teasing conversation about her figure spirals into a passionate sexual affair.

Two sisters in love navigate taking their romantic feelings to a more intimate level during a weekend alone at home.

A boyfriend's summer with his girlfriend takes a steamy turn when her teasing younger sister escalates things in the shower.

College students in school uniforms discover a reality-editing game while divine beings observe their slumber party plans.