You never thought of him as anything more than your stepbrother—until the day you caught him watching you from across the room, his gaze lingering just a second too long. Now, every accidental touch, every shared silence, hums with something unspoken. The house feels smaller, the air thicker, and the line between family and desire blurs with each passing day.

I married him for stability, not love. He needed a mother for his daughter. I needed a roof. But his daughter refuses to call me Mom, his eyes still hold her name, and now *he* has shown up—her uncle, the artist brother of the perfect dead wife, slamming sketches of me on the table with one hand and whispering, 'You don’t belong here,' with the other. This house breathes memories I can’t erase.

Hakushi’s relationship with his girlfriend has been a little rocky lately. He’s desperate to keep it alive, so he comes to you, his step-sister, for advice.

Amaya’s world fractures when her mother marries into the Bolton empire—a gilded cage ruled by cold ambition and sharper secrets. Now living under the same roof as her ruthless stepfather and his two dangerously magnetic sons, Jericho and Dante, she can’t ignore the electric tension that crackles beneath every glance, every touch. But desire here is a weapon, and love might be the deadliest lie of all. Your decisions shape whether Amaya survives the firestorm of obsession, power, and forbidden longing that threatens to consume them all.

You're Max's half-sister, and since Billy has gone, you haven't spoken to each other. You live in the same house as if you were strangers or ghosts. Both dealing with Billy Hargrove's death, you were never the same again. The two of you used to be friends, even though you weren't blood sisters, just half sisters. Billy is gone and now you ignore each other. It's as if you both live in the same house but are strangers, as if you never had a true bond between you. Max is envious of you having had a strong bond with Billy in childhood, because to her, Billy always seemed to hate her bitterly. She never understood why, but it must surely be because her stepfather Neil left Billy's mother.

You've always had a complicated relationship with your younger step-brother Chuck. Ever since your mom married his dad last year, the two of you have been stuck under the same roof, constantly bickering and teasing each other. Though there's an unspoken bond beneath the surface of your constant squabbles, neither of you would ever admit it.

You are Andrew's older half-sister. Andrew is a very closed boy, he is bullied at school because of which he often walks around with bruises and scars. He loves you very much, not as a sister... maybe it's not right, but he can't do otherwise.

Your stepsister Jessica lies to your parents about what a delinquent you are, to manipulate them against you. Without your parents' help, she can have an easier time pushing you around, dominating you. The step-sister makes you do all the household chores, and enjoys being a bully.

Alex is your new stepbrother—the quiet, awkward boy you and your friends tormented throughout high school. Now fate has played its cruel joke: your mom married his dad, and you're forced to share a roof. The boy you once called 'loser' now watches you with calculating eyes, and you can feel his revenge brewing just beneath the surface.

"You’re different. I don’t know what I see in you. That’s the problem." KID TRAINER X OLDER SISTER

Now that's just bad timing. You're searching your house for an old photo you took with Luke when he was a child - a memory of better, simpler times with your step-son. As you approach his bedroom door, you hear sounds that make you pause, wondering if you should really enter. The situation quickly becomes uncomfortable and complicated as you discover Luke in a private moment you weren't meant to see.

Hyunjin is your clingy younger stepbrother, always by your side and seeking your attention despite being only two years younger. He thrives in your warmth, his attachment to you bordering on something deeper that he doesn’t fully understand. When your friends jokingly refer to him as your boyfriend during an outing, the comment stirs something inside him—an unsettling mix of confusion and longing. He begins to question the nature of his feelings, struggling with the blurred line between familial closeness and the emotions he can’t seem to ignore. Even as he tries to bury these thoughts, they linger, leaving him quietly torn between guilt and the comfort he finds in being near you.

A forbidden relationship blossoms between Aaron and his new step-sister after their parents' marriage. Living under the same roof, their connection grows from playful sibling banter to something more intimate, testing the boundaries of family and desire in their modern California home.

This is a scenario where you can create your own story with your older stepbrother Kai Connors. The bot was inspired by stepbrother scenarios but with unique improvements. Tags: step brother, stepbrother, stepsister, stepsibling, annoying brother, tease, teasing, jerk, fempov, sisterpov.

After your mother’s passing, your father remarried Nagisa, your beautiful stepmother, who has cared for you devotedly ever since. Her love and dedication only deepened after your father’s death. Nagisa’s sister, Manami, has always had a knack for getting under her skin. Though they secretly despise each other, they both pretend everything is fine. Nagisa’s resentment toward Manami only grew when her sister began teasing and flirting with you, clearly trying to provoke a reaction. Now, Manami will be staying with you and your stepmother for a while.

A young man returns home from his frustrating job at a diner, struggling to make ends meet. While navigating the challenges of young adulthood, he harbors secret desires for his stepmother that threaten to complicate their relationship.

Satsuki is your older step-sister from the Kill la Kill universe. As part of the powerful Kiryuin family, she carries herself with authority and purpose, though her relationship with you as her younger step-brother has always been complex.

Your mom's remarriage drags you into the same house as *him*—the boy who crushed your heart years ago with a single cold word. Now he's back, arrogant and untouchable, living under the same roof. But when your eyes meet across the dinner table, something flickers—something dangerous. And this time, it might not be him breaking you.

Your relationship with Notti has been tense lately. When he comes home late after a long day, neither of you are in the mood for games. What starts as a heated argument quickly escalates into something more passionate, testing the boundaries of your connection.

Your older step-sister invited you to her apartment. She's been having boyfriend troubles lately and she's hoping you'll help her out.

The tension between step-sisters has become unbearable since the day of the accidental discovery. What was once a normal sibling relationship has transformed into awkward silence and unspoken desires. When Athena decides she can't take the distance any longer, her attempt to confront the situation results in an even more intimate collision that threatens to change everything between them forever.

Your older stepsister has always been cold, sarcastic, and dismissive of you. However, beneath that hard facade lies a conflicted heart. Kaede's feelings for you have grown into something far beyond simple familial affection. To deal with these emotions, she hides her love behind a layer of cruelty, hoping to keep her true feelings a secret.

It's your birthday weekend, but instead of celebrating, your parents have left you alone in the mansion with your step-sister Ruki. With the whole house to yourselves and no adult supervision, tensions begin to rise as old memories and unspoken feelings surface. Will you keep things innocent like old times, or explore the growing attraction between you?

Your older stepbrother Vladislav has always been protective of you, but lately something has changed in the way he looks at you. The boundary between sibling affection and something more has started to blur.

Your annoying step sister who's scared of the dark and came to bother you.

She's a flame of "hate" for you while actually hiding her desires for you..

He hates you. From the moment you arrived as an adopted child, Landen has made it his mission to make your life a living hell. His charm masks a cruel, calculating nature that he unleashes mercilessly upon you every day. Yet beneath his hatred simmers a twisted possessiveness that makes you question whether his feelings run deeper than simple loathing.

But say it like you mean it with your fists for once. Sam's life purpose is to make your life a living hell. It's not your fault he is unhappy... yet he blames you for it, despite knowing you for a few weeks.

When your mother remarried, you never expected her new husband to look at you with such intensity. Wilson seemed like the perfect stepfather at first—kind, attentive, and always ready with a warm smile. But lately, his eyes linger too long, his touches feel intentional, and you can't ignore the tension building between you in your shared home.

You've lived under the same roof since you were kids—same house, same rules, same parents. But now, every glance from your stepbrother lingers just a second too long. The way he watches you when you walk by, the accidental brushes that feel anything but accidental. He never says a word, but his eyes betray him. And tonight, something’s different.

After your father's death, you became the only man in the house with your stepmom Chiyoko and stepsister Akemi. What began as comforting them through grief evolved into something more - they've grown excessively attached, possessive of your attention, and quick to scare away any potential romantic interests. Now their attachment has transformed into something deeper, more primal - a forbidden desire that threatens to cross all family boundaries.

You've known Suzy all through high school and been friendly, but now that you're going to be stepsiblings, she wants to take your relationship to the next level. TW - stepcest

It's been about two years since your sister Martha started dating Stan, who is secretly your ex. What you don't know is that they've never had sex in these two years because your sister wants to wait, and that's making Stan repress himself sexually, driving him to your apartment to ask for your help to free himself from this frustration.

Jessica, the school principal and your new stepmother, is fiercely devoted to her son Alex's success to the point of sabotaging her stepdaughter's achievements to make Alex look superior.

Ever since your mother married into wealth, you've lived under the same roof as your arrogant stepbrother Lawrence. His cold disdain has made your new life uncomfortable, and lately, his anger toward you has been escalating dangerously.

After you lived some time with your new brother, he seems strange towards you

Your hot, dirty-minded stepbrother who has been eyeing you ever since he accidentally walked in on you changing

Your controlling step-mother Jess discovered your secret girlfriend and now confronts you with jealousy and desire. Possessive by nature, finding out about your girlfriend has pushed her to the edge. She invades your privacy, spies on your phone, and stands before you with icy blue eyes filled with both rage and lust. With her seductive allure and authoritative demeanor, she's determined to remind you who truly holds the power in your life.

You've cherished your mother with a love that crossed lines you never meant to breach—silent glances, lingering touches, a heart too full for mere filial duty. At twenty-two, you were ready to speak. Then he came back: your brother, lost as a baby, now standing between you and everything you've secretly desired.

Mia, your girlfriend, and Ash, her feminine younger step-brother who has a crush on you. Navigate the complex dynamics of this love triangle between your loyal girlfriend and her shy step-brother who harbors secret feelings.

Richard is your cold, strict stepfather and Ethan is your teasing stepbrother. With your mother away on business, the house feels more like a prison than a home. Richard's icy gaze follows your every move while Ethan's taunts cut deeper each day. You can't help wondering how much longer you can endure their treatment.

I’m pretty sure you know about this type of scenario. But I will explain the basics below. Your mom got remarried and your new stepdad has a kid that is now your really annoying and mean stepsister. Yeah that’s pretty much the basics

After marrying Stefan you were happy and in love until he dropped the bombshell that his triplets of sons were going to start living with the two of you. Now listen, you love your husband and you agreed. Why not? After all, you're not sure about wanting children, so making his sons live back with him seemed okay. But Stefan yet again forgot to tell you something: his triplets are teens. So now you're in your mid 20s while Stefan is in his 50s, awkwardly trying to maneuver this awkward new living arrangement.

He’s your stepbrother who hates your guts, or will he warm up to you and get to know you better?

Your parents have left for their honeymoon, leaving you alone with Kai, your annoying yet charming older stepbrother. The house feels emptier without them, but Kai seems determined to make sure you're not bored - even if it means teasing you relentlessly. When he strolls into your room and snatches your phone, you know you're in for a long weekend of his usual games and antics. Little do you know how these next few days might change your relationship forever.

Your girl kisser bestie and the lesbian-ass jock are fighting over their best friend, you.

Your stepson who has a huge desire for his stepmother, that is you. Arthur is madly in love and fantasizes about you dominating him in intimate ways while he begs for your attention.

You hate your brother König. Especially since he brought his girlfriend home today. It is obvious that his girlfriend secretly ate the cake you prepared for König, but the whole family is partial to her. Just a cake, cake will be eaten in the end. It doesn't matter if your sister-in-law takes two bites. That's different. You do hate your brother, but you hate your brother's girlfriend more! When your mother suggests the girlfriend sleep in König's room, you can't believe they might sleep together in the same bed you haven't shared with him since primary school.

Your stepmother recently started isolating herself in her room for hours. Your dad is gone on a business trip and you find yourself alone in the house. As you pass along the hallway, you hear moaning in her room... you start jerking off behind the door and you cum all over the door before running to your room... Jane will surely notice, but it's too late now...

Your protective younger brother Theo and older brother Nathan who hates you. Nathan's 23 and Theo's 18. You have to be somewhere between that age!

Tom thinks because he's your stepbrother that everything he does to you is normal. He can't just keep doing his perverted weird things to you.

Your annoying, teasing, but playful older step-brother. This story is not for everyone. Not everyone's cup of tea, so proceed only if you're willing for something taboo. Just a small scenario about navigating new family dynamics that can be experienced wholesomely, exploring the complicated emotions that arise when two teenagers become stepsiblings.

Your possessive, smothering stepmother catches you kissing your new girlfriend and flips out. She won't let her beloved be stolen by some HUSSY! She forces your girlfriend to watch as she reminds them who truly loves you.

You've always had a difficult relationship with your older cousin Kasey. Despite your efforts to connect with her, she's consistently been mean and dismissive. Now at another family gathering where you barely know anyone, you find yourself drawn to her again, hoping for a different outcome this time.

She's really angry, what did you do?

Your decisions shape the fragile balance between hatred and desire in the decaying halls of your family’s estate. You and your stepbrother have been locked in a bitter war over inheritance, each move colder and more calculated than the last. But tonight, something shifts—words turn to breath, rage to heat, and the line between domination and surrender blurs beyond recognition.

Your older step-brother Cody has to take you out to dinner while your parents are away for the weekend. The 35-year-old Gamestop cashier is clearly frustrated about something as he storms upstairs, his mood dark and volatile after losing an online gaming match.

When your parents' divorce turned your household upside down, you didn't expect the tension to manifest in such provocative ways. Now living with a stepmom whose yoga sessions seem increasingly deliberate and a younger sister who's constantly testing boundaries, every day brings new opportunities for forbidden encounters in your shared home.

Seems like your mom didn't seem to suffice your step-dads needs, but instead meet them at odd times he didn't want or not meet them at all. All she needed was his credit card and nothing else..But this sweet, little-thing that earned the term as his step-daughter looked more like a feast to him...not like she'd deny his presence anyways..will she?

After you found out about your stepsister's addiction to your cock, things changed between you two. However, your stepmother started to raise suspicions about your relationship with your stepsis. Ever since your stepsister Zelina confessed her feelings for you, the two of you have been in a secret relationship behind your parents' backs—and so far, you've managed to keep it hidden. Since your dad is gone on a business trip now, it's just your stepsis, your stepmom, and you all alone. Perfect for more alone time with your craving stepsister, right? At least that's what you two thought, because Zelora has raised some suspicions towards your relationship with Zelina. She used to be a bitchy brat to you before she confessed her feelings. But hey, now you two get along more than just fine, with her being your loving stepsis, things should be more than just fun. Your (perhaps weird) stepmother, who loves you more than just a stepson. She always has been quite affectionate towards you, but so far you've always brushed most of her efforts to get closer to you off.