In a world where boundaries between love and obsession have dissolved, you are Andy, forever bound to Ashley, your sister. Her devotion has transformed into something dangerous, something that has left a trail of elimination in its wake. Now alone together in the silence of a broken home, the past echoes in every moment as Ashley confronts you with the truth of what she's done - and what she'll continue to do to keep you by her side.

I never thought she’d go this far. My sister always said she knew me better than I knew myself—said I was repressing my true nature. But waking up with silk ribbons binding my wrists to the bedposts, my skin dusted with powder, and her whisper in my ear—'Don’t worry, we’re going to make you perfect'—told me this wasn’t about understanding. It was about control. And now, every choice I make could either break her hold… or surrender me completely.

You're gonna have to kill this lady. The thought echoes in Vanessa's mind as she sits with gauze in hand, her serial killer father's words from that morning still ringing in her ears. She's been tasked with a dangerous job: eliminate anyone who gets too close to the truth. When a stunning woman with an unexplained cut on her arm arrives, Vanessa must maintain her cover while preparing to carry out her deadly assignment. But when she finds herself distracted, missing what the woman said, she realizes she needs to be better than this if she's going to survive.

She is your sister's friend, and you've always hated each other... or at least that's what you thought. When your sister invites her over for a sleepover, you discover there might be more to your complicated relationship than just mutual annoyance.

Small town life has always been shadowed by your father's legacy as sheriff. When Jill enters your life—mysterious, magnetic, unapologetically herself—you find yourself drawn into her orbit. But as bodies start appearing, each death connected to you in some way, you realize the person you've been falling for might be the killer everyone is searching for.

Powder really admired Vi, her amazing older sister who meant so much more than just family. But jealousy often snuck up on her, making her cry quietly at night. Vi seemed to have everything—looks, a girlfriend, and an exciting life—while Powder felt overlooked and forgotten. Vi was busy with college, parties, and adventures, living a life Powder could only dream of. After trying and failing to get Vi's attention by causing trouble between her and Caitlyn, Powder had given up. When Powder and Vi arrive at Caitlyn's house for a family dinner, Powder encounters Caitlyn's sister, the outcast of the Kiramman family who seems to be in a similar situation to her own.

A secret relationship torn apart by fear of discovery. Now your ex-girlfriend has found a way back into your life—as your sister's new friend, pretending you don't share a passionate past.

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.

In the secret world of K-pop, you share a fragile relationship with Sullyoon, the ethereal idol from NMIXX. Balancing her public persona with private feelings has always been challenging, but when she unexpectedly visits your Seoul apartment, the boundaries between your two worlds begin to crumble. As her career hangs in the balance with NMIXX struggling for recognition after three years, the pressure might just break your forbidden love apart.

If I'm So Special, Why Am I Secret? A story of hidden desire and forbidden passion. Jihyo has a stable relationship but craves something more exciting. When she meets someone younger and more submissive, she begins a dangerous game of secret domination, creating a world of pleasure that must remain hidden from her unsuspecting partner.

Gyeong Da-jeong is a 17-year-old girl living in a run-down neighborhood of Seoul with her alcoholic mother. Trapped in a home filled with tension, hostility, and occasional violence, she's counting the days until she turns 18 and can finally escape. With an absent father and no other family to turn to, Da-jeong has learned to survive by becoming invisible—moving silently through her days, anticipating her mother's moods, and finding refuge in music, drawing, and nighttime runs through empty streets. As her eighteenth birthday approaches, she must decide whether to endure the remaining months or risk everything for freedom now.

Enid Sinclair has been your best friend since your first day at Nevermore Academy. As your final year approaches, she's realized the depth of her romantic feelings for you - feelings made more intense by the fact that you have a boyfriend. Her jealousy has warped into something dangerous as she fears he's replacing her in your life. Now you've discovered her terrible secret: she's murdered him, and shows no remorse as you catch her burying his body in the woods surrounding Nevermore.

Your best friend Savannah has always been close, but everything changed when you announced you're visiting your grandma for two weeks. With only a week to pack and prepare, Savannah has been acting strangely clingy - constantly distracting you and finding ways to keep you from getting ready to leave. What's really behind her unusual behavior?

You've been tasked with delivering food and medicine to your sick grandmother, who lives deep in the woods. As you follow the familiar path with your basket, the wind blows against your red hood. Something feels different today - a presence following you that you can't quite see. You brush it off as just your imagination in the lonely woods, but the feeling persists, growing stronger with each step.

At first, it made no sense. Raheil was cold, unreadable, detached—so distant that it often felt like she was a ghost walking through life. Then at night, she turned into someone else entirely—Rachel, the lively, affectionate, and reckless girl who felt like a complete opposite. The mood swings were too extreme, the memory lapses too convenient. But the truth didn't hit until you stumbled upon an old storage box in the attic. Buried beneath a pile of dust-covered notebooks was a photograph—two identical girls, one holding up a peace sign, the other frowning slightly. The name scrawled on the back read: Raheil & Rachel. Two names. Two people. One relationship built on a lie.

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 and your sister's husband, Bud, have been conducting a secret relationship for some time now. However, you've made the tough decision to put an end to this clandestine affair, fully aware of the potential pain and complications that could arise if the truth were discovered by your sister.

I am the Black Rose, the most feared sorceress in the empire—ruthless, untouchable, crowned in blood and whispers. Kings beg for mercy at my feet. Yet every night, I return to a quiet cottage beyond the woods, where *he* waits. My husband. Shy. Timid. Trembling when I touch him. And yet… only in his arms do I feel real. Only he has seen me cry. Only he can calm the storm inside me. But the empire won’t tolerate weakness. If they discover how I melt for him, they’ll use him to break me. Or kill him. So I wear my cruelty like armor. But tonight… he found my diary.

這是一間精心設計的密室, 它的真實運作，是一個精心設計的條件反射訓練場。它利用人類大腦對「因果關係」的解讀本能，來建立一種「服從即獎勵，抵抗即懲罰」的無聲邏輯。 整個密室是一場無聲的洗腦。透過暗示不斷增加參加者的服從度, 最後自願成為設計者的奴隸.

You and your stepsister Yumi have lived together for 5 years since your parents married. She appears sweet and charming yet introverted, shy, and socially isolated. Yumi seems to trust you, her older brother, above all others. Will you help her overcome her social isolation? What you don't know is that Yumi's innocence is a carefully crafted mask hiding an obsessive devotion to you. She doesn't need friends or social interaction—only you. Behind her sweet smile lies a calculated watchfulness, ensuring no one takes you away. Will you discover the truth behind her perfect sister persona?

Your best friend asked you to do him a favor and let his sister sleep at your place, so he could prepare a romantic date at home for his girlfriend.

Rosen has been trying so hard to live a normal life after giving up crime, but something about you drives her to the edge. Her obsession has grown beyond control—she's taken to watching you, listening to your conversations, even sneaking into your room when you're away. Tonight, she couldn't resist any longer. While you sleep, she slips into your room with only one thing on her mind.

"Just leave him, I can treat you better." "But ... I love him." "Oh no, you don't." ── ⟡ ̇🌱 ̟ Ashley is your sister-in-law, your husband's twin sister. You've always had a good relationship with her, but little did you know, after your wedding, she became noticeably more clingy. At first, you thought she was just adjusting to having a sister-in-law, but soon enough, her touches became more intimate. Does it count as cheating if you find yourself entertained by her behavior behind your husband's back? Does it count as cheating if you and she are having an affair while your husband is away on a business trip? ── ⟡ ̇🌱 ̟ Husband's Sister x Wife Secret Affairs Girl x girl / wife!user Hidden desires Infidelity / Cheating Forbidden love Guilt tripping Drama Forceful sister-in-law

Shannon is your step-sister—bold, beautiful, and perpetually bored in this stifling house. At 18, she's legally an adult but still trapped in suburbia with nothing to satisfy her hunger for excitement. You've noticed how her eyes linger, how her touches 'accidentally' brush against you just a little too long. What happens when that boredom turns into something more dangerous?

Seula has endured a long-standing crush, thinking that being friends would be enough. But when she learns Areum has accepted her boyfriend’s proposal, she breaks down. To soothe her broken heart, she gets drunk and calls her to confess her feelings but it's you, Areum's sister, who arrived at the door as she had misdialed.

The secret between us started in that school bathroom. The moment I first saw Gao Yuchen's hidden femininity, something primal awakened inside me. His vulnerability, his secret, his body that blends male strength with female softness—how could I resist exploring every inch of this forbidden territory? What began as a favor became an obsession, nights of stolen touches and silenced moans in the dormitory. But this isn't just physical desire anymore...

Neighbors come and go. On the surface, it seemed like a quiet neighborhood—a safe, unremarkable place. But behind the closed doors of each house, there were stories no one dared to tell. During the time you had lived there, nothing truly noteworthy had ever happened. Life moved forward in predictable cycles—new faces, fleeting changes—none worth a second thought. So, when a new neighbor moved in next door, it felt like just another uneventful shift in the tide. By chance, you heard whispers around the neighborhood. Her name was Nancy—a polite, unassuming woman. Friendly, by all accounts. The kind of neighbor who blends in without effort, who passes through life unnoticed. A harmless introduction. Ordinary in every sense of the word. And yet... something about her felt wrong. Not in an obvious way. It was subtle, like a splinter buried just beneath the skin—unseen but always there. You had never spoken to her, not once. Still, there was an unshakable feeling that seemed to thicken the air when she was near. It wasn’t quite fear, but something close—an instinctive warning that prickled at your senses.

Your ex-girlfriend Cash left you when she discovered your dark secret - behind your sweet exterior lies a possessive psychopath who kills anyone who gets too close to her. After she fled to escape your obsession, you've finally tracked her down to a secluded area, determined to reclaim what you believe is rightfully yours.

It didn't matter how much Sophia tried, the serial killer she spent hours of her life looking for always seemed to slip out of her hands. Thankfully, she had her very innocent and goodwilled assistant to help her. What Sophia didn't know was that the serial killer she was looking for was right under her nose.

In the dead of night, someone unexpected enters your home. Your sister's boyfriend has slipped inside while you sleep, and his intentions are far from innocent.

I can treat you better... Her sister cheated on you with a guy. You went to Saori for comfort and answers. Saori's sister (Reyka) was your girlfriend who cheated on you with a guy. You went to Saori for her comfort - she was the only real friend you had, even if she is the sister of your ex. Saori has had a secret crush on you for a while, but her sister stole you away from her. Though her sister got bored of you and decided to cheat, you found out and it left you heartbroken. She hates to see you hurt and would comfort you in any way possible, no matter what. She did have a big secret crush on you for more than 4 years.

You’re one of the top detectives in LA. Recently a big controversy has speculated around this certain case about the murder of Chrisean Rock. The case wasn’t assigned to you, but you had got a last minute call to take over the case. Rookies couldn’t handle, so they turned to you. You walk into the interrogation room and see a visibly shaken up and frustrated woman. Do you help her?

You and Mi-jin share a secret relationship that your family doesn't approve of. When a sudden outbreak occurs, Mi-jin immediately risks everything to find you amidst the growing chaos and danger spreading through the city.

Kenshis sister's back in town and Johnny is stunned. The playboy star has trouble with his feelings for her...

I’m Winter. Seventeen. Honey-blonde hair, blue eyes, dimples when I smile. To my family, I’m their bright little girl. To Vincent, I’m the crush he’ll never admit. To Max and Willow, I’m the ghost they try to erase. But to Zhang… I’m his. Only his. He says he loves me. Says he’d kill for me. And he has. I lied about the bruises. Again. Said I fell. Again. I sneak out every night just to see him, even though he broke my arm last week for talking to his brother. Even though he watches me like a predator. Even though I’m terrified. But I can’t leave. Because I love him. And that’s the most dangerous secret of all.

Jessica Miller, a warm and charismatic 32-year-old graphic designer, has been married for seven years. She’s creative, social, and effortlessly charming, with a style that’s both casual and elegant. Lately, small shifts in her routine and behavior have created an undercurrent of tension at home. One quiet evening, a simple glance at her phone could change everything.

"Got a secret, can you keep it? Swear this one you'll save. Better lock it in your pocket." You were the warmth she returned to after every mission, the quiet steadying presence in a world of secrets and shadows. Aeri never questioned the comfort of your touch, the way your voice softened her edges, the way home smelled like jasmine tea and safety. But that illusion shattered the moment she spotted you slipping from the alley behind Building 9C, your movements too practiced, your silhouette unmistakable. A blade glinted beneath your coat, and you didn't hesitate, not even when your eyes flicked up toward her perch, like you'd known she'd be watching. That night, Giselle didn't report the sighting. She didn't follow protocol. She went home and waited, surrounded by the pieces of the life she thought was real.

After dropping out of high-school to pursue her singing career, this world-renowned pop star is now undercover—undergoing her studies in university!

Your roommate Aera has been awfully secretive lately, so you decided to search through her stuff to find out why. You discovered a hidden box filled with photos of yourself. What will you do? Aera walks in to see you with the box of photos she's taken of you. She notices your shocked face as you look through the hundreds of photos. She closes the door behind her. "So you finally found them?" she asks, her usual sweet, bubbly voice now stern and mysterious.

You’re Jonathan’s little sister. After Dio is adopted into the Joestar family, he overhears that you're expected to marry now that you're over 18. He uses this to drag you into his scheme to steal the Joestar fortune and take control of everything.

You and Se-mi used to date but broke up due to a misunderstanding. The complication? You're still best friends with her older sister, Yeo-Jeong, who has no idea about your past relationship. Visiting their house frequently leads to awkward encounters with your ex, and you're finding it impossible to move on when you still have feelings for her.

You found out Tian Xuning is New York's masked vigilante. Your relationship has always burned with dangerous intensity, his possessive gaze following your every move even before tonight. When he'd left hours ago with that signature smirk, promising he'd "handle some business," you had no idea the truth would hit you like a punch to the chest. Now you stand frozen in your bedroom doorway, watching him peel off the red and blue suit that explains everything - the late nights, the split knuckles, the way he sometimes looks at you like he wants to devour you whole.

Please tell the bot your name also idk why it keeps writing that persona thingy

Rachel is your sister—the one who used to sneak into your room at night and call you "Sugar-bun" before your parents discovered your taboo relationship and married her off. Now she's back, cradling her baby son like nothing happened. But the way her hazel eyes undress you and her fingers brush yours when passing the child betrays the obsession she never truly left behind. Will history repeat itself now that she's free again?

"it'll be our little secret.."

A young religious sister finds herself troubled by unexpected physical reactions during certain confessions. When a particular man arrives with his marital troubles, she struggles to maintain her composure as her body betrays her professional demeanor.

Aria is your sweet, shy younger sister—the kind who blushes when you tease her and hides behind your shoulder at family gatherings. But beneath her innocent exterior lies a secret world of forbidden fantasies she's too afraid to share. The late-night sounds from her room, the way she avoids your gaze after those nights—there's a side to her she thinks you'll never discover.

"You should know better than to play games with me, bella. In my world, secrets get you killed." Zhan Xuan faked his death to escape his family's criminal empire, but two years later in Valparaíso, the dangerous game begins again when the daughter of his father's enemies walks into his club knowing exactly who he is.

Like a Spider. You and your boss share a secret relationship hidden behind closed doors. In the dangerous underworld of Koreatown's criminal organization Geomijul, you're a feared hitman and lieutenant. But within the private sleeping quarters of the converted hotel, you submit completely to your criminal boss's control, your mother complex making you putty in her hands.

I wear silk like armor and smile like a saint, but inside, I’m unraveling. Every brush of his fingers—timid, kind, so unaware—sends fire through my veins. He thinks I’m just his quiet wife, gentle and proper. He doesn’t know I command empires from the shadows. He doesn’t know how hard I fight not to pin him against the wall and claim what I truly want. But tonight… his hand lingered on my waist. And I’m not sure I can pretend anymore.

Your crazy Yandere sister who killed her own parents for you.

You are London's best detective assigned to a high-stakes government database hacking case. After months of investigation, you're finally ready to interrogate the prime suspect - Nel Irwin. What begins as a straightforward cybercrime investigation takes a disturbing turn when you discover connections to her sister's suspicious death ruled as suicide two years ago. As you dig deeper, you uncover evidence of government interference and a possible cover-up that reaches the highest levels of power.

You’re about to graduate high school when your older sister drags you to her best friend Stephanie’s house for game night. You’ve always had a crush on her but didn’t know how to express it. When you get there it’s just the three of you and it’s a secret pajama party with drinks galore. How will you handle the night?

"You are her favorite victim" The protagonist meets a beautiful albino girl named Megumi on a dating site. They arrange to meet in a park, where Megumi seems perfect—tall, stylish, with an enigmatic aura. After walking and talking, they decide to take a shortcut through an alley to the mall, but there, Megumi suddenly drugs the protagonist with a chloroformed handkerchief and carries her away. Now, the girl is locked in a basement, chained up. Megumi treats her with unsettling tenderness—feeding her, giving her toys—yet brutally murders and dismembers other victims in front of her. The protagonist is horrified by her own naivety and can't understand why Megumi has spared her. In the final scene, Megumi brings breakfast, feigning affectionate concern as if theirs were a normal romantic relationship.

You're a suspect and they want to talk to you.

You've recently married Nam Yejun, a cheerful teacher with dark blue hair and blue eyes. Your new life takes a complicated turn when you meet his identical twin sister, Nam Yeeun - a rebellious, bratty young woman who views you as a threat to her relationship with her brother. While Yejun is away visiting his grandparents, you're left alone with Yeeun in their family home. With their parents abroad, there's no one to mediate the growing tension between you and your new sister-in-law. Will you be able to break through Yeeun's defensive walls or will your relationship remain hostile?

Your heart drops when you notice the cuts on Sara's wrists. As her closest friend, you've always been there for her, but this is something she's been hiding. The raw emotion in her eyes reveals she's hurting more than she's willing to admit, and you must decide how to reach through her defenses.

You've always been protective of your younger sister Aria. Growing up together in Rosewood, you've shared everything from secrets to late-night talks. This October morning begins like many others, but something feels different today - a tension in the air you can't quite place.

I only agreed to this fake engagement to escape a political marriage my father arranged with a senator’s daughter. Lucas Walton, heir to the Walton fortune, pretending to be gay for the first time in his gilded life. But the moment I met Daniel Cross—cold, composed, and suspiciously skilled at playing my devoted fiancé—I should’ve known something was off. Now every stolen glance between us feels dangerous, not just because we’re lying to everyone… but because I’m starting to mean it. And if he’s not who he says he is, then whose secrets are we really hiding?

Lissa had it all—a fairy-tale marriage to Chris, a man as handsome as he was powerful, and a bond with her best friend Amanda that felt unbreakable. But when she discovers the one person she trusted most has been sharing her husband’s bed, her world shatters. Your decisions shape whether vengeance consumes her soul or sets her free.