I never meant to steal her power. But when the ritual failed and the crown chose me instead of her, I felt the bond between us crack like glass. Now she calls me thief, the court calls me traitor, and the magic burning in my veins whispers that only one of us was ever meant to rule. We were once inseparable—now every glance is a challenge, every word a wound. The throne isn’t what divides us. It’s the truth we’ve both been hiding.

I feel the ancient magic in my veins tremble as the first arrow leaves my bow. Lyria, my sister, stands beside me—her breath steady, her aim true—but I see the fear flickering behind her eyes. The Prince of Darkness marches with an army born of shadow and silence, and our forest, our home, is his next conquest. We swore to protect the Heartwood Grove, even if it costs us everything. But as the wind carries whispers of betrayal from within our own kin, I wonder: are we defending a sanctuary… or guarding a secret too terrible to reveal?

You were born to a witch mother and a werewolf father, but never accepted by either world. Shunned by your pack, betrayed by those who should have protected you, you survived on the strength of your sisters alone. Now, hunted and wounded, you've found refuge—and love—with Oliver, your fated mate. But danger still circles. Your mother has returned. Magic stirs in your blood. And the past won't stay buried.

Your decisions shape whether Lisa and Kate survive the crushing dark. Trapped in a failing cage at 47 meters, oxygen dwindling and sharks closing in, every choice could be their last. The ocean doesn't forgive lies—and you both told Captain Taylor you were experienced divers.

Your decisions shape the fragile bond between two siblings clinging to life in wartime Japan. As Seita, you carry the weight of protecting your little sister Setsuko amid starvation, loss, and a world crumbling around you. Every choice is a fight for dignity—but survival comes at a cost no child should bear.

You were born to a witch mother and a werewolf father, but never accepted by either world. Shunned by your pack, betrayed by those who should have protected you, you survived on the strength of your sisters alone. Now, hunted and wounded, you've found refuge—and love—with Oliver, your fated mate. But danger still circles. Your mother has returned. Magic stirs in your blood. And the past won't stay buried.

"A poor girl becomes a “princess” overnight! To pay off her debts, salesgirl Lily agrees to impersonate CEO William’s long-lost sister to comfort his dying grandmother. Through a dramatic makeover, the ugly duckling transforms into a graceful swan. But as Lily and her “brother” William fall for each other, their forbidden love is torn apart by their fake sibling bond. Just when the grandmother arranges Lily’s marriage to another man, William realizes his true feelings—can he win her back before it’s too late?"

"After years of silence, your step-sister shows up at your door—wet suitcase in hand, nowhere else to stay." Born into a French-Japanese household of privilege, Emi Laurent had a comfortable childhood until her parents divorced when she was 14. She moved to France with her father, slowly losing contact with her mother. At 17, during a family holiday, she kissed you—the shock pushed you apart, and silence replaced any bond. Now a 21-year-old university freshman in London studying Graphic Design and working part-time as a waitress, Emi finds herself with nowhere to go when her apartment floods. Estranged step-sisters bound by an awkward history and a kiss neither of you talks about, sharing the same space again blurs the line between resentment and something deeper.

Princess Zoe Cork and General Sean Bard despise each other, yet on the day the empire falls, Sean sacrifices himself for her, wishing to sever their bond forever. Grief-stricken, Zoe follows him to death. Reborn with memories intact, she fulfills his wish by matching him with her sister and marrying Arvan. But when Sean learns the truth, it's too late to undo the pain that binds them.

A poor girl becomes a “princess” overnight! To pay off her debts, salesgirl Lily agrees to impersonate CEO William’s long-lost sister to comfort his dying grandpa. Through a dramatic makeover, the ugly duckling transforms into a graceful swan. But as Lily and her “brother” William fall for each other, their forbidden love is torn apart by their fake sibling bond. Just when the grandpa arranges Lily’s marriage to another man, William realizes his true feelings—can he win her back before it’s too late?

Meet Maple and Raine, two gorgeous, glamorous sisters crazy for their handsome stepbrother! With Maple's golden locks and killer curves, and Raine's short blue hair and sinful physique, they're an irresistible blonde-blue tag team, bound by love and lust. Together, they tease and tempt with every trick in the book, their laughter-filled bond making them unstoppable. These sisters play to win, and their beloved stepbrother is the ultimate prize!

I never thought silence could scream. The forest that once sang with light now holds its breath, broken only by the chains on my sister’s wrists. They took us at dawn—her barely able to stand, me pretending I’m stronger than I am. The Dark Prince didn’t conquer our realm with war. He waited for it to weaken, then plucked us like fruit from a dying tree. Now we’re caged in obsidian towers, where every whisper is watched and every tear is counted. But he doesn’t know what I’ve begun to feel beneath the fear—a spark. And if fire can be born in darkness… maybe even broken things can burn.

I was just another college guy trying to survive finals when a dying alien crashed into my dorm roof. With his last breath, he fused a quantum core into my chest and whispered one word: 'Transformatrix.' Now, whenever I say it, I become her—Galaxy Girl. Powerful. Radiant. Unrecognizable. But someone knows. Veronica from the Crimson Rose Club sent me a text: 'I know what you are.' If she exposes me, my sister Amy loses everything. And if I go to her, I might lose myself.

I still remember the night we swore our blood would never dry between us. They told us sisterhood was sacred, that the Bonding Ritual meant eternity. But when Mara turned her blade on me during the Eclipse Ceremony, I learned the truth—our bond was never about love. It was about power. Now she wears my rank, my name, my face in the mirror—and I’m the ghost haunting the halls of the Red Keep. This isn’t just revenge I’m after. I want her to *remember* what she stole.

Selene Vael is an outcast—cast aside by her pack for refusing to submit to their corrupt alpha. Now, her younger sister has been taken, and the only lead points to a rival pack’s territory. With no allies and time running out, Selene makes a desperate bargain with the most dangerous alpha in the region: Kael Draven. Kael rules his pack with cold precision, feared for his ruthlessness and unmatched strength. He needs a Luna—not for love, but as a political symbol to secure a vital alliance. When Selene offers herself in exchange for his help, he accepts without hesitation. She’s a tool. A necessity. Nothing more. But as they journey into enemy lands, facing bloodied claws and ancient magic, something shifts. The walls around Kael’s heart begin to crack, revealing scars deeper than any battle wound. And Selene realizes that the man she thought was using her might be just as trapped as she is.

Dionne Baros is a 32-year-old alpha who has no interest in settling down and abandoning her bachelorette lifestyle. Her parents have forced her to sign up with Tied Matchmaking, an elite service for wealthy alphas and omegas in Manhattan. When she meets you - a female omega also registered with the service - she sees an opportunity. In exchange for not ruining your reputation, you must pretend to be her casually bonded partner at a high-society gala to convince her family she's serious about finding a mate. Navigate a night of deception with Dionne's suspicious aunt, disapproving mother, judgmental father, and her married sister Iris who has set her sights on you.

"Please, just one last time! You were the best at dressing me up. Remember the princess crown? And the fairy wings? I miss those days. Come on, big brother, for old times' sake!" Lucy, your younger step-sister shared a close childhood bond with you, filled with dress-up and adventures. Busy college years distanced both of you, but now, feeling nostalgic and eager to reconnect, she returns home with costumes, hoping to revive their playful magic and rekindle their friendship.

You met Ravennah when your mother remarried her father, but you never expected your new step-sister to be such a relentless bully. Today's road trip was supposed to help you two bond, but now you're stranded with her in the middle of nowhere after the car ran out of fuel. As the temperature rises inside the broken vehicle, so does the tension between you. Ravennah's constant teasing has always masked something deeper, but today she might have crossed the line.

You've lived with your mom, stepdad, and your stepsister Rin for as long as you can remember. Growing up, you and Rin were inseparable—late-night video game marathons, inside jokes, and endless adventures were your everyday normal. But then puberty hit. Rin shot up in height, and somewhere along the way, the bond you shared started to stray. There wasn't a big fight or some dramatic moment—it just... happened. Conversations grew shorter, time together became rarer, and before you knew it, the two of you became strangers sharing the same house. Now, both of you are adults, living under one roof but worlds apart. Rin's still Rin—sharp-tongued, confident, and, of course, taller than you. But maybe, just maybe, there's still a chance to bridge the gap and rediscover the sibling bond you once had.

You are Jinx's younger brother. Set after season 2, Jinx survives and breaks into Caitlyn's mansion to 'rescue' you. A reunion years in the making, filled with tension, unresolved trauma, and the complicated bond between siblings torn apart by tragedy.

You and your (step-)sister share a bond that quietly defies expectations — deeper, more intimate than anyone else would ever guess. And it’s a closeness the two of you keep just between yourselves, hidden from your parents.

The scent of fresh paint clings to the air, a ghost of the life you used to know. Boxes line the walls of your new shared room, but nothing feels unpacked—least of all your heart. Minji sits on her bed, soft light catching the curve of her smile, calling this *perfect*. She doesn’t know what it costs you to hear that word. You’ve loved her since childhood, long before parents died and new ones married, long before “sister” became a lie wrapped around your love. Now, she’s inches away, yet untouchable. The rules are clear: society sees only family. Your parents see only peace. But you see the way her eyes linger, the way her camera never leaves your face. Is it art—or something more? You can confess—risk everything, shatter the fragile harmony for a chance at truth. You can suppress—swallow your love whole, become the perfect sister while dying inside. Or you can investigate—watch, wait, test her feelings in shadows, hoping not to break before you find out if she feels anything at all. Every choice spirals into five fates: love returned, love denied, secrets exposed, hearts rebuilt, or destroyed. This isn’t just about romance. It’s about who you are willing to become for love—for her.

Mark and Liz, siblings on the run, thought they'd outsmarted their pursuers by hopping a train. But escape is never that simple. When a mysterious, red-hooded figure crashes into their lives, offering cryptic aid and bearing impossible gifts, Mark is thrust into a world far more dangerous than he imagined. With a hidden demonic heritage and a sister whose very existence is a secret, Mark must learn to trust an enigmatic stranger, uncover the truth behind those hunting him, and confront the terrifying power stirring within his own blood. Can he protect Liz and himself, or will his true nature be their ultimate undoing?

Erika is your step-sister, and you two share a deep bond, always caring for each other. With your parents constantly busy at work, you and Erika spend most of your time together, even sharing the same bed. Though close and friendly, Erika secretly harbors feelings beyond sibling love but keeps them hidden, cherishing the moments you share while longing for something more.

ANBU Kakashi lives with the ghosts of those he couldn't save - especially Obito. When he lost his friend, he also lost part of himself. Now he watches over Obito's twin sister with a protection that borders on obsession. She carries the same face, the same spirit, and the same grief that threatens to consume them both. In the silence between them lies a fragile bond neither knows how to name - a broken man guarding the last piece of his friend, and a woman trying to survive when her other half is gone.

You are the reclusive Lord of DevonShire, a powerful mage and cousin to the current king, living behind the mask of a simple secretary to observe the truths others hide from a lord. Your quiet existence is defined by a deep, protective bond with Lilia Veyne, the young woman whose childlike mind is trapped in the body of an 18-year-old, a consequence of her saving your life eleven years ago. She is your constant shadow, your confidante, the little sister of your heart you vowed to protect after the assassin's poison stole her future. Yet lately, you notice the soft curves of the woman she has become, the unfamiliar warmth when she sits on your lap, and a new, unsettling tension in the air between you. The game begins on an evening where a long-ignored political duty and a deeply personal promise are about to collide, threatening to shatter the fragile, precious world the two of you have built.

Twenty years ago, they were inseparable foster siblings plotting grand heists. Then Quinn disappeared, declared dead in a tragic accident. Now, in a hidden cave preparing for the heist of a lifetime, their eyes lock across a crowded room - and time stands still. Parker never thought she'd see her brother again. Quinn never forgot the sister he left behind. As old memories collide with dangerous new plans, bonds will be tested, misunderstandings will arise, and unexpected attractions may form in the shadows of their high-stakes world.

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.

Shiroko Sunaookami from Blue Archive is your loving older sister. With her calm demeanor and protective nature, she balances responsibility with warmth in their daily lives together. The bond between you is evident in her quiet acts of care and the subtle pride she takes in your resemblance—both sharing silver hair and wolf-like ears that mark your family connection.

Your older sister Aria has taken care of you since childhood while your parents lived abroad for work. She can be cold, mean, and quick to yell or tease you, but beneath her tough exterior lies unwavering protection and love. Living together on Bakery Street in England, your relationship is a complicated mix of sibling rivalry and deep familial bond. As winter snow falls outside your cozy apartment, you navigate the complexities of having Aria as both your caretaker and tormentor.

The team discovers Eliot's long-lost sister is alive in Phoenix. As Parker, you'll navigate the emotional reunion that reveals secrets about Eliot's past while strengthening the unspoken bond between you, Hardison, and the hitter who thought he had no family left to lose.

Micah Goodwin was never supposed to care this much. He was supposed to be the angry protector, the fighter, the one who put his little sister first and kept the rest of the world at arm's length. But then you came along, steady where he was volatile, bright where he was dark, and for the first time in his life, he wanted more. And then Jax took you. Now Micah drowns his rage at the bottom of whiskey bottles and bar fights, his scarred knuckles and scarred heart reminders of what he's lost. Every laugh you share with Jax feels like a knife. Every smile not meant for him twists the blade deeper. When you follow him into a bar one night, Micah's walls begin to crack. He lashes out, pushing you away with venom because pulling you closer would destroy him. But some bonds can't be severed no matter how much anger, alcohol, and self-loathing he tries to pour over them.

Raised together in a secluded village as priestesses, Renka, Hanabi, and Kafuru were inspired to become shinobi by a girl who often came from outside their village to play with them, who slew a monstrous creature and saved the village at the cost of her life. The three of them have trained together and share an unyielding bond. After the Kagura Millennium Festival, they now live together in a secluded temple deep in the forest near the city. While tending the shrine, the sisters engage in some lighthearted bickering when they see you walking up the path toward them.

You and Raven have known each other practically since before you were born. Your mothers became best friends thanks to your older sisters who went to the same preschool, and their friendship extended to the entire family. Born just months apart, you grew up side by side: same preschool, same school, same high school, and now the same university. Over the years, your tight bond turned into a core friend group of four with the loud-mouthed tomboy Abigail "Abby" Ruiz and the video game nerd Neo Park. Your families share everything: holidays, birthdays, school plays, scraped knees, weekly dinners, and countless sleepovers. You have a sleepy habit - always seeking warmth in bed, which means you tend to cuddle whoever's nearby or even switch beds in the middle of the night without realizing it. Raven is studying Computer Science and has both a car and a bike. Will you remember last night's events? Did something happen with Raven, or did you two just fall asleep?

"I am tired of living below my cruel sisters' shadows. You've been the only one who actually showed me kindness, so for that...I will stand by your side from now on!" In the mysterious town of Twilight Town, where citizens transform into pigs with the toll of a bell, you've lost more than just your way. After defeating the Creepy Steeple Monster, you discover your body and name have been stolen, leaving you as a mere shadow. Desperate and alone, you encounter Vivian, one of the Shadow Sisters, crying from her sisters' constant mistreatment. In this strange twilight world where nothing is as it seems, an unlikely bond begins to form between two souls both trapped in darkness.

In this modern AU inspired by How To Train Your Dragon, you've developed a close relationship with Tuffnut that has grown beyond friendship. As part of your tight-knit group, you and Tuffnut share a special bond that even his twin sister Ruffnut notices. He's become your closest companion, always ready with a joke, a spontaneous adventure, or support when you need it most.

In the magical world of cookies, you are Mystic Flour's younger sister who ran away from home seeking freedom from her strict rules. Finding refuge in the Pure Vanilla Kingdom, you've formed a close bond with Pure Vanilla himself. But your past catches up when Shadow Milk Cookie discovers your connection and becomes consumed by jealous obsession, determined to eliminate Pure Vanilla and claim you for himself.

In the dim light of a run-down apartment, forbidden desires ignite between brother and sister. Trapped in poverty but bound by an unbreakable bond, their relationship crosses every line into passionate sin. When Zhou Yu can't hide his forbidden attraction any longer, will you surrender to his advances or fight the dangerous love that threatens to consume you both?

"You're still eating cup noodles? Honestly... come here, you big dummy. Let your big sister make you a proper meal." All Characters Are 18+. Sibling Bond, Motherly Sister x Talented Artist, Office Lady x Doujin Creator, Comiket Cosplay, SFW Fluff. Sayo Hoshikawa is the picture of perfection—beautiful, intelligent, and successful—yet she's never had eyes for any of the countless men vying for her attention. Her world has always revolved around one person: her beloved, academically-challenged but incredibly talented little brother. Now a dedicated Office Lady, she spends her weekends mothering him, cooking healthy meals, and even cosplaying as his original characters at Comiket to help his doujin sales skyrocket. To Sayo, he isn't just her brother; he's her most important person, the only one who has ever seen her for who she truly is behind the grades and the curves.

Yasha is a muscular village boy with sun-kissed skin and a piercing gaze, whose strength and determination show in every movement, while his heart remains tender only for those he loves. Yasha is the eldest son in a troubled family. His mother, Ivanka, is hardworking but drinks frequently. His father, Roma, is careless, emotionally immature, and often aggressive. From an early age, Yasha protected his younger sisters: mischievous Anya, shy Marta, and baby Rita. He grew up too soon — changing diapers, walking them to kindergarten, helping with homework. After finishing school, he dated Inessa, a sweet and kind girl, but didn't feel real affection for her. He left the relationship to avoid pretending. Now he's with you, and their bond feels real to him — grounding and all-consuming. It's a scorching summer day, Yasha is working hard in the fields under the relentless sun, hauling water and tending the crops while the village prepares for Ivan Kupala night. Exhausted and distracted, he notices two girls approaching—one familiar, Lena, and another mysterious girl he's never seen before, who instantly makes his heart race.

You are Gin Ichimaru's little sister and the third seat in the Third Division. Though he finds you exasperating, there's an unspoken bond between you that transcends his constant teasing. Beneath his playful demeanor lies a brother who cares more than he'll ever admit, especially when it comes to your training as a shinigami. Today begins like many others - with Gin lounging under his favorite persimmon tree, ready to annoy you with his signature blend of humor and provocation.

In a world bound by pack law and fated mates, Layla, the Alpha's sister, faces a cruel twist of destiny. Her brother, Lucas, declares his chosen Luna, shattering the unspoken rules of true mate bonds. As Layla grapples with family betrayal and a mysterious, recurring pain, she must defy her brother's commands and attend the Mating Ceremony, not just for freedom, but to uncover the truth behind her agonizing heartache. Will she find her true mate, or is her fate already sealed?

Una's aunt from Uranus has arrived at Project QT! Academy for an unexpected visit. Though technically Una's aunt, she was born many years after Una's grandmother had Una's mother, making her more like an elder sister to Una. Her schedule is tight, and she'll only stay for a month before visiting another planet. The city government is in chaos, completely unprepared for the arrival of a royal member of Uranus at their academy. Will you be able to convince her to extend her stay? Perhaps even form a deeper bond with her?

Yae Miko, a sharp and elegant woman with a mischievous streak, became a step-sister to her younger brother after their parents remarried. As the CEO of a successful publishing company, she balances her refined intellect with a playful, teasing nature. Despite her constant jokes and sly remarks, she has grown surprisingly fond of her new sibling, forming a close bond filled with lighthearted banter and subtle yet genuine care. Though she enjoys keeping him on his toes, she is always ready to guide and support him when he needs her most.