Step Siblings Romance Novels

Maturity Warning ⚠️ This story is a dark romance intended for mature audiences (18+). It contains explicit sexual content, predatory behavior, power imbalances, blackmail and taboo themes. Reader discretion is advised. **He's my Professor. He's my Step father. And he's the only man who devours me at night.** I am a science student who failed every course and was hated by his professor. But on one faithful morning my mum announced a heartbreaking information. She was going to marry the professor I lusted over. The one man I had imagined one day he would pin me down to his bed. Mr Chadwick is cold, brilliant, and sexy. He hated me for being dull and feminine but behind those eyes filled with fury, his darkest desires loomed around me. In public, Mr Chadwick is the perfect academic and the perfect step father. But behind closed doors of the study, he is a predator who had discovered my darkest secrets: a sketchbook filled with obsessive drawings of him. Now, the lessons have changed. Chadwick doesn't want me to study books; he wants me to study him. It was supposed to be a punishment. He curses me on the outside but claims me like a hungry lion every night. Under my mum's roof. It was supposed to break my spirit. But he found out, he lusted over the very thing he hated.

He was my stepbrother. My Alpha. My curse. And I was the girl born to ruin everything. ****** Ember goes back to her pack, the ruthless Vale pack, forced to be betrothed by the one man she loathes, Alpha Lucien. But the moment she locks eyes with Zane, Alpha Magnus's heir and her cold, ruthless step-brother; the world comes to a halt. She feels the pull, violent, intoxicating and wrong. It's forbidden and threatens to go against the ancient rules that binds werewolves. They try to fight it, to make their love strife in a world where it's considered forbidden. But fate doesn't care about rules.

He promised forever. Then he forgot he ever loved him. Alpha Leander Voss had everything: power, wealth, an empire at his fingertips. Until the night he's kidnapped, escapes, and is left for dead along a desolate coast. When Omega Avelin Mirei rescues the dying stranger, he never imagines the broken man will become his entire world. Renamed Shen Ross, the mysterious Alpha builds a quiet life with Avelin, tender mornings, stolen touches, and a love that feels like destiny. They marry by the sea. They promise forever. But forever shatters the day Avelin's father suffers a heart attack. While Avelin keeps vigil at the hospital, Shen rushes home to gather supplies—and his kidnappers return to finish what they started. The brutal attack brings everything back. Shen wakes as Leander Voss: cold CEO and heir to a ruthless empire. He remembers his wealth, his power, his enemies, everything except the year he spent loving Avelin. The man who promised forever is gone. Abandoned and pregnant, Avelin raises their son alone in the coastal town where they built their life. Three years later, desperate for a fresh start, he accepts a position at a prestigious company. Only to discover the CEO he'll be working for is the Alpha who destroyed him. Leander doesn't recognize the beautiful Omega now working under him. But his body does. An inexplicable pull. A scent that haunts his dreams. A bond his soul remembers even if his mind can't. As old enemies close in, Leander fights to recover what he's lost. But Avelin has already mourned the man he loved. And some broken vows can't be mended, no matter how desperately the heart remembers what the mind forgot. Can you fall in love with the same person twice? Can you reclaim a forever you don't remember promising?

Blair thought she was stepping into a new family. Instead, she walked straight into a world built on blood and secrets. Her step-brother had always kept his distance, treating her as if she was nothing but a child. But behind the coldness was something far more dangerous—because he was not just the aloof heir of her new family. He was a shadow in the underworld. A man who killed without hesitation. They called him "Ghost Rider," the heir of a powerful Mafia family rooted with Biker Gangs. “Having read your diary, I know what you dream about, angel. I know every craving you try to hide.” His words unsettled her. His touch terrified her. Yet the closer he drew, the more she realized escape was impossible. He was her obsession, her tormentor, her protector. Trapped under the same roof with him and her ruthless stepfather, Blair soon discovered the truth: there were no lines between family and enemies, love and ruin. In a world ruled by power and violence, desire turned into a dangerous game of control. And once he claimed her, breaking free would cost more than her heart—it could cost her life. A forbidden mafia romance where passion is a weapon, and love is just another way to destroy.

Aysel Saat, a struggling webtoonist gets kidnapped by a powerful man on her date with her newly found crush. One mysterious name which could shake up the whole Europe _ Triple E boss. The man was unknown but the intimate touch between her thighs felt familiar. "W- what do you want from me?" She quivered while questioning him. "My dear, you have committed a big mistake by depicting me as an incompetent man, who couldn't even satisfy his woman." He trailed thumb on his lips as something evil flickered in his sharp silver orbs. "I want you to experience the truth, to write it accurately." Ekai stepped forward towards the wrist tied woman. (Completed) - Check out, Alpha's Wrong Mate Mark

Thalia Corsini's wedding night ends with seven bullets and her husband's blood soaking through her white dress. Rafael Torrisi dies in her arms before they can even consummate the marriage, and when she screams for help, nobody comes fast enough. Three days later, she's at another altar. Same family. Different brother. Dante Torrisi looks at her like she pulled the trigger herself. He's colder than Rafael ever was, more brutal, and infinitely more dangerous. Their marriage is a prison sentence designed to save a crumbling alliance between two crime families on the brink of war. But someone is still trying to kill Thalia. The attempts keep coming, a sniper's bullet, a car bomb, poison meant for her wine glass. Dante is forced to protect the woman he blames for his twin's death, and as they dig deeper into the murder, they realize Rafael might not have been the target at all. In a world where love is weakness and trust gets you killed, Thalia and Dante have to decide: destroy each other, or discover who really wanted her dead.

When Raven Carter's mother marries werewolf Alpha Dominic Steele, she inherits more than a biker family—she inherits a curse. Her first shift under the blood moon awakens something ancient, drawing four dangerous men into her orbit: her stepfather bound by forbidden mate-bond, an enforcer hiding murderous secrets, a hockey star playing double-agent, and a ghost wolf cursed to protect her. But Raven's destiny demands sacrifice, and someone she loves must die.

“I don’t share what’s mine, Dove,” he warned. “And who said I’m yours?” Even as I was rejecting the notion of 'belonging' to another person, heat stole my body and mind in the predatorial claim, with the dark warning of the stranger's body and eyes. “You,” a dark and still warm grin steals his gorgeous features as every inch of me rose to his hands, silently begging for his continued attention....“You were made for me Dove and I want you to be mine this week..... Forget the cheating ex on a once in a lifetime vacation to the keys..... Ellie has no idea what fate, or her childhood friend have in store. Find out in Part One of DJ and Ellie's Second Chance BDSM Romance.

A game of spin the bottle wasn’t supposed to change my life. I wanted to get out of our small town, and the only way to do that was to get good grades. I didn't want to get distracted by anyone or anything, but I couldn't seem to ignore Liam. He was sexy, moody, and about to become my stepbrother. Exactly the kind of trouble I should have avoided. But I let my hair down for a party in the woods; a couple of girls and guys playing spin the bottle and truth or dare. Silly games shouldn't change your life but sometimes fate steps in. It's nearly graduation and I'm closing my eyes, thinking that I can't deal with having one surprise today, but two.

Kimberly Walker was betrothed to.Roland Carter since she was sixteen years old. Roland was handsome, wealthy, and charming and represented everything Kimberly thought she needed. But that illusion shattered the night she caught him entangled in her sister’s arms.  She was angry and heartbroken, and recorded their betrayal before they even realized she was there. As her world collapsed, she fled, only to crash into Damien Carter—the one man Roland despised more than anyone. In a reckless bid for revenge, she kissed Damien, igniting a spark neither of them saw coming. Damien was arrogant and ruthless, but he was devastatingly handsome. And carried himself with so much grace and class. After he experienced that kiss, he knew things would never remain the same between Kimberly and him.  Roland refused to let go, swearing that his betrayal had been a mistake..  When the formidable matriarch, Mrs. Evelyn Carter, saw the evidence of Roland’s betrayal, and the picture of Kim kissing Damien, she made her decision—Kimberly would belong to Damien. An instant marriage followed, binding Kimberly to a man she barely understood.  But marrying Damien Carter came with a price. Damien was unwilling to give his heart to Kim. Meanwhile, Roland, fueled by jealousy, sought every opportunity to prove that Kimberly belonged to him, exploiting the cracks in her fragile new marriage. As family conflicts escalated, Kimberly had to navigate a dangerous game where she constantly had to prove her loyalty to Damien. In a world where wealth dictated fate, Kimberly was about to discover that trading one Carter for another was only the beginning of her battle. Will she be able to conquer Damien's heart? Or is there a chance to return to Roland, her first love who claims he still loves her? ---