Best Stepbrother Romance Books

Seraphina Hardin’s life shatters when her mother marries into wealth, dragging her into a world of privilege, secrets, and betrayal. Forced to share a roof with Ian Hardin, her arrogant, dangerously charming new stepbrother, she vows to resist his cocky smirks and infuriating confidence. But when their fiery clashes ignite something far more intense, resisting him becomes impossible. Ian has always had the perfect life—or so it seems. Beneath his polished exterior lies a rebellious soul, haunted by expectations and family secrets. Seraphina’s arrival throws his world into chaos, challenging his control and awakening feelings he’s not prepared to face. Even though they are made to resist, they eventually have an affair. As forbidden tension simmers, lies unravel, and enemies circle closer, Seraphina and Ian are forced to confront their deepest fears, and their undeniable connection. But love isn’t easy when it’s forbidden, and the cost of giving in might be more than they can bear. Will their love survive betrayal, jealousy, and the weight of their pasts? Or will the world tear them apart before they have a chance to rewrite their story?

"Kai, please," Jenna tried one last time, grabbing at his arm. "Please don't hurt him. If you want to punish someone, it should be me." "Foolish girl." Kai laughed. "I AM punishing you." As he strode off in Jacob's direction, she could only watch helplessly. Starting at a new school halfway through the year isn't easy, but it's a lot worse when the only person you know is your evil stepbrother. He's sadistically cruel - the worst kind of bully - and he's determined to make Jenna suffer. When Jenna goes to school with him, she sees him bully a gorgeous guy called Jacob who she immediately has a crush on. In order to stop Kai from bully Jacob she agrees to do what he wants... She wishes she could stand up to him, the only problem is, she finds herself falling for him despite all his torture. Can she find a way to melt his cold heart, or will she be crushed by Kai or one of his numerous enemies before she can get the chance?

Blood and mayhem sends Charlie Brown, on a trail of a criminal. A night hunt leads her to the city's cradle of debauchery, Sin City and there she meets a man who all but intrigues her. Dangerous and flirtatious, he brings a lot of trouble. Simple rules, easy life is his motto. Maddox Black has worked as a successful business owner dealing with a repertoire of clientele who can't afford a scandal. With the attractive FBI agent showing up at his door, he's willing to do anything to get rid of her. Entangled in a web of secrets and lies, they learn that while different on the surface, they have more in common than anyone would think. In a world full of chaos, where money and power rule, Charlie and Maddox yearn to break free, but a string of events that began before either of them were involved threatens to destroy them instead

Daniel Walter took his best friend, Kira Michael to a party and slept with her right in front of his friends. Kira couldn't forget the fact that Daniel slept with her forcefully. She traveled out of the country and months later, she had twins. Daniel's children. Five years later, Kira suffered a lot to cater for her children. She finally got a job as a personal assistant to a new CEO and turned out to be Daniel. Her long time best friend. Everything turned into a mess. Daniel wanting forgiveness, a second chance and take responsibilities but Kira never wanted to associate with him not even getting close to the children he knew she had for him.

I bought red lingerie for a boy who didn't want me. Found him in bed with my best friend instead. I ran straight into Cain Russo. My enemy. The boy who humiliated me at fourteen and never lost a second of sleep over it. One night of rage and bad decisions later, we had a secret I planned to bury. Then our parents got married and he moved into the room next door. Now he watches me across the dinner table like he's already won something. Because he's had a taste and he hasn't forgotten it. So he made me a bet. Three orgasms. Ten minutes. If he wins, two weeks of me. Anywhere. Anytime. No exceptions. If I win, my freedom. I should have walked away. I didn't. He doesn't want my heart. That would be too simple. He wants to take me apart completely. And god help me, I'm starting to want that too. Stepbrother. Enemy. Obsession. Warning: This book is explicit. We’re talking filthy, enemies-who-hate-each-other-but-can’t-stop touching, wall-slamming, hair-pulling, name-screaming explicit. If you blush easy, this isn’t for you. If you don’t — buckle up, because Cain Russo has zero restraint and even less patience. 18+ only. You’ve been warned.

"Not all story has a happy ending sometimes it ends with full of sadness and a tearful goodbyes." Diana Leigh Castañeda decides to go for a vacation before tying a knot with the person she doesn't love, and that's when she met Allen Corpuz. They became friends, but they had no idea that their friendship would lead to something unexpected: falling in love. And it's a prohibited one, but they're willing to risk everything for it, despite the obstacles and the consequences. Will their love strong enough to keep them together as they face the challenges ahead and the unexpected twists, or will they break apart?

“You’re my goddamn stepbrother. You know this, so let’s set boundaries,” I whisper as if I’m speaking of something abominable. But it’s something that should be normal. Sane. Logical. Then Riven Rythrone lifts a hand and grabs my chin, forcing my gaze up to his. His eyes don’t belong to someone normal. They belong to someone dark. Abnormal. Insane. Illogical. “You begged to be mine. Remember?” My breath hitches, my pulse riots, and my body stupidly flinches as he snakes a hand around my waist, dragging me closer. Close into his twisted, demented world, where he rules, where reason burns, and where I’m the only thing he refuses to let go of. Twenty-year-old Adelina West has no reason to hate her mother’s marriage to a California millionaire. But when a devil with blue eyes is involved, resentment comes easy. She wants to escape him. He wants to own her. And when Riven Rythrone wants something, not even blood or sin can stop him.

It's been four years since Bianca Moretti's Dad passed away. Her mom decided to get married to a man she felled in love with, the Rossi family. Bianca wasn't in support with it till she met her stepbrother. Emilio Rossi, the first child and only son of Alejandro Rossi. Emilio is a good example of introvert, he doesn't talk that much. He only cares about his three little sisters after their Mom abandoned them a long time ago. He's arrogant, hot-tempered and rude. After seeing he new stepsister, he knew that he had to be careful.

Francis Davis gave me the medicine. He said it would save me. I swallowed it and sank into ten years of oblivion. Ten years of loving him. Until one day, he decided he wanted to know whether the sober me still loved him. So he took the medicine away. I never expected hatred and pain to run deeper than addiction. So I jumped from the 18th floor, returning my life to him, and my freedom to myself.

“What the fuck, Jace?!” One dinner. One secret. And suddenly, the boy I’ve loved for three years is staring at me like I’ve betrayed him. Because the man my mother is finally happy with–the man who treats her like she matters—just happens to be his father. Now Jace is furious. Obsessed. Unforgiving. He thinks I knew, that I kept this twisted truth hidden from him. I didn’t. But try telling that to the storm in his eyes, the rage in his voice, the way he corners me and demands answers like my heart isn’t already breaking. For my mom, I should let go. She deserves her fairytale, and if that means cutting Jace out of my life, then I’ll do it—even if it feels like tearing my chest open. But Jace? He refuses. “Walk away from me, Jae,” he swears, “and I’ll burn it all down. Your mom’s happiness. My dad’s engagement. Every ounce of peace you think you’ll have.” Because to Jace, I’m not just his girlfriend. I’m his obsession. His possession. His everything. And he’ll set the whole world on fire before he lets me go. … An obsessive boyfriend who would rather destroy everything than see the girl he loves as his stepsister. And a girl who wants nothing more than to protect her mother’s happiness, even if it costs her own. However, is the sacrifice worth it?