Best Step Brother Romance Books

"I won’t say it twice you’re mine, or you die like the rest of your family." *************** He killed her brother. Erased her name from the legacy she once called home. Now, he claims her like a prize. Isabella Russo never wanted a part in her family’s brutal empire. She escaped the bloodshed and betrayal, choosing a quiet life free from the shadows of the mafia. But her past catches up to her in the form of Damian Vercetti—the man who reduced her world to ash. He says her brother betrayed him. That her family deserved what came. Now they’re gone... and Isabella is the last Russo left. To Damian, she’s leverage. A pawn. A possession. To Isabella, he’s the monster from her nightmares and the boy she once trusted. But when vengeance collides with obsession, and hate begins to twist into something darker, Isabella is forced to face the man who destroyed her life… and decide if she can survive him—or if part of her doesn’t want to. Power. Pain. Passion. In a world built on blood, love might be the deadliest sin of all.

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? ---

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.

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.

“There was a fucking earthquake. It caused an avalanche on the mountain. Didn’t you feel it, you lazy piece of shit?” I yell at Kaleb. “No, I didn’t. I was fucking sleeping. Quit bitching at me.” he says. He’s wearing nothing but grey sweats that hang low on his waist. God, how can someone so fucking hot be so fucking annoying? “We are stuck here. There’s at least 25 feet of snow blocking us in this cabin. Lily and your parents can’t get back either.” I tell him. “Thanks for the observation. If we can’t get out, they obviously can’t get in.” “Can you not be a snarky asshole for 2 minutes?! We are literally fucking stuck in this cabin together for god knows how long!” I yell at Kaleb. He’s so infuriating sometimes. “Relax. I’m sure we’ll probably be out in a few hours.” “Oh you’re sure, are you? Well, guess what dipshit? The guy on the radio said they’re focusing on the surrounding areas first and then they’ll be working on the mountain. That could take fucking days, Kaleb.” Kaleb takes a step closer to me. “Don’t talk to me like I’m fucking stupid, Riley.” “Oh yeah? What are you doing to do?” “If you don’t stop with this bratty attitude, I’m going to fuck it out of you.”

My life was simple. Boring, even—until my mother married the richest alpha in the pack… and I met him.Felix Dimitri.He’s my stepbrother. He’s my fated mate. He’s everything I shouldn’t want and the most infuriatingly irresistible wolf I’ve ever met.Felix Dimitri’s stormy eyes ignite a fire I can’t control, a pull I can’t resist. Every glance, every touch, every heartbeat threatens to undo me—and I know he feels it too.School. Family. Friends. Nothing is safe when desire runs deeper than reason. Staying away is impossible. Falling for him could destroy us… but resisting? That’s even harder.

Did he ever love me, did he ever care. No, no he didn’t. I spoke to myself as I was speaking with Damon the only one man who showed he actually cared but Zade, Zade , Zade didn’t care, he only used me to please his selfish ego, to fill his sexual desires, he was nothing more than just a temptation. My best friend brother was nothing more than just a temptation. “Did you really care, or was I just your show off, answer me Zade” I demanded of him but he stayed quiet, I guess I finally have my answer. Zade didn’t care but little did I know that he actually did, that he actually cared for me, should I turn back or should I accept. I guess it’s left to fate.

Viana Carter swore she’d never fall for trouble. But trouble has a name and it's Alvin Monroe. The arrogant hockey star, number one campus heartthrob and now her brand-new stepbrother. One kiss shatters every boundary, and soon jealousy, sabotage, and family secrets pull them into a dangerous spiral of passion they can’t ignore. Loving him is forbidden. Wanting him is reckless. But losing him might destroy them both.

"You remember how good it felt," he murmured, his lips grazing my ear. "Don’t pretend you’ve forgotten what it’s like when I make you beg." One night. One mistake. Now he’s her boss... and her stepbrother. Sophia thought she could forget the stranger who whispered filthy promises against her skin but fate isn’t done with her. Her new job comes with high stakes, strict rules... and Ethan Blackwood — her arrogant, sinfully gorgeous boss. The same man who nearly ruined her with one look. The same man who is now, horrifyingly, her stepbrother. He’s forbidden. Untouchable. But Ethan doesn’t play by the rules. And he wants her — again and again. She tries to resist. He dares her to fall. But Ethan’s secrets could destroy everything — including her. She knows she's falling hard, but Ethan has plans of his own... And love was never part of it, is Sophia just a pawn in his twisted game?

"What do you mean by that? I don't want to stay away from you," he said calmly. "Well you have to. Your reputation is at stake if you continue being seen around me." "Okay, so what?" He said nonchalantly and I raised an eyebrow at his words. "Look, Olivia, I don't care about any of that," he said and moved closer to me. Unconsciously, my legs moved back out of fear of being so close to him and he moved in on me, finally backing me up against a walk. "I only care about you," he said as he reached out to touch my cheeks and I couldn't tell if he could feel the red blush that appeared on my face. "Only you," he whispered and he stood so close to me that I was sure that he could hear my heart beating Slowly, I watched him close the remaining distance between us and I could not move. My name is Olivia and I am falling madly in love with my stepbrother. Will I have my happy ending with him or will I keep yearning for his touch forever.