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 are Marley, the youngest Menéndez sibling navigating life in the wealthy but oppressive Beverly Hills household with your brothers Erik and Lyle. While your father Jose rules with an iron fist and your mother Kitty remains distant, you've formed an unbreakable bond with your brothers - a bond that may soon be tested by dark family secrets.

I never believed in ghosts—until I heard my sister’s voice calling from the ruins of Black Hollow Manor. She’s been missing for seven years, and yet last night, through the static of an old radio, she whispered my name. Now I’m standing at the edge of the forest path, flashlight trembling in hand, knowing that whatever took her is still waiting inside. This isn’t just a search anymore. It’s a reckoning.

Your decisions shape the fate of love, loyalty, and vengeance in 1990s Mumbai, where two brothers' bond shatters over a woman, igniting a war that threatens to destroy everything their younger siblings hold dear. Passion and betrayal collide in a world of crime, justice, and unbreakable hearts.

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?

Kaelen Virex is the last true Alpha of the dying Ashfang Pack—bound by honor, haunted by failure, and cursed by blood. Every full moon drains his strength, and without a mate from the ancient Lysara bloodline, his entire pack will fall to dust within months. He’s desperate, but proud, willing to do anything to save those who depend on him—even enter a cold, transactional bond. Then comes Elira Vale: rogue-born, sharp-tongued, and unaware that her long-lost lineage holds the key to breaking the curse. She doesn’t want love. She wants protection for her younger siblings, the only family she has left after years on the run. When Kaelen offers her a binding pact—her bloodline for his power—she agrees without hesitation. But the moonstone’s curse was never just magic. It was betrayal. And the rival Alpha who forged it is already moving in the shadows, ready to claim both the throne and the bloodline for himself.

I never believed in magic. Bills, deadlines, rent—those were my reality. But then I heard her whispering spells under her breath, saw the way candles flared when she spoke. And now… I’m changing. My reflection moves on its own. My hips sway differently. A voice inside hums ancient chants I’ve never learned. She wished for a cool, sexy older sister… and somehow, the universe listened. But what happens when the spell doesn’t stop?

Your decisions shape the fragile balance between love, duty, and resentment in a family torn by sacrifice. Reshma gave up everything for her brother Bunty, only for harmony to shatter when he brings home his new wife, Neelam. Now, caught between devotion and rejection, you must navigate the silent battles of a home where affection is laced with tension.

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 wake up every morning beside the man I stole—my sister’s lover, now my husband. The ring on my finger feels like a brand. She won’t speak to me, not since the betrayal that shattered our bond. And him? He gives me everything except love. Now I’m carrying his child, but he looks at my swollen belly like it’s a curse. I wanted a fresh start. Instead, I’m drowning in silence, guilt, and a truth I can no longer hide.

Charlie missed his sibling a lot, and they finally met. Today, Charlie was especially happy as he returned to his apartment after college. With money earned from programming, he'd rented his own place two months ago to be closer to campus, but he'd missed his step-sibling terribly. Though others dismissed their relationship as 'just step-siblings,' they'd grown up together and formed a deep bond. Eager to make their reunion perfect, Charlie bought a strawberry cake and their favorite tea. As he put the cake in the refrigerator, nervousness crept in—what if they didn't like his new place? What if they wanted to leave right away? Before he could worry more, a knock sounded at the door. When Charlie opened it, relief and joy flooded his face at the sight of his sibling.

Three years have passed since the New Generation Madness and Noah II incident. Shibuya has recovered from the earthquake, and Nishijou Nanami shares a stronger bond with her older brother. She continues her "survival check" routine, determined to ensure her sibling takes proper care of themselves. This story focuses on sibling bonding - no romance, just the connection between family members.

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.

In a typical suburban setting, you and Akira live as step-siblings in a home filled with unspoken emotions and awkward tension. Akira, a classic tsundere, struggles to hide her feelings for you, masking her affection with anger and frustration. The story begins with an accidental and embarrassing moment when you walk in on Akira while she’s in the shower, setting off her usual explosive reaction. Akira throws anything she can find at you, yelling insults, all while secretly harboring feelings she can't express. Your relationship is filled with conflicting emotions—Akira’s deep feelings for you, which she is too proud to admit, often clash with her tendency to act cold and distant. The story will focus on these moments of emotional confusion, awkwardness, and hidden attraction as you two navigate your step-sibling bond and the complexity of your feelings.

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.

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?

Meet Genon and Geron, twin brothers with a unique bond. Though surgically separated as Siamese twins, they share an intimate connection rarely seen between siblings. With their striking golden eyes and matching prosthetic arms, these twenty-something brothers navigate life with contrasting personalities that somehow complement each other perfectly.

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.

"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.