Step Siblings Romance Books

Mariana, a sweet bookshop owner in busy Mexico City, catches the eye of Amir, a dangerous mobster. Amir follows her everywhere, stirring up emotions that push her to the edge. In her simple life, Mariana becomes Amir's obsession. His strong feelings haunt her as he watches her every move from the shadows. Amir’s surprise visits awaken a powerful attraction, pulling her deeper into his world. Caught in a web of passion and danger, Mariana must face a man whose desires threaten to change her life forever.

Roxy Delgado never expected to be stuck back in her small Alaskan hometown, especially not after carving out a promising career as a wildlife photographer for National Geographic. But when a family emergency forces her return, she finds herself sharing a roof once again with the one person she swore to avoid forever—Blake Carver, her arrogant, infuriatingly hot stepbrother and captain of the Anchorage Ice Wolves. Blake has everything: looks, charm, a killer slapshot—and a secret. As the alpha of a hidden wolf shifter pack, he keeps his dual identity on lockdown, especially from outsiders. But Roxy’s return stirs up more than just old resentment. She’s the only one who ever saw through his cocky bravado, and the only woman he's ever wanted but couldn’t have. Old wounds, unresolved tension, and animal instincts clash as Blake and Roxy are forced into close quarters and even closer secrets. When a rival pack threatens Blake’s team and his territory, Roxy’s unique skills—and heart—might be the only thing that can save them all. But will the ice between them melt, or will the fire burn everything down?

"You are like a father to me, I can't marry you." "If you can't, then I guess you prefer to be an orphan if your mother dies." Juliet Jones, was torned in between saving her mother's precious life, and getting into a contract marriage with her father's closest friend, George Watson. And when she was left with no better choice, and the time is ticking faster on her mother, she got married to Mr George, to save her mother's life. But unfortunately, it was too late, and her mother died, after she had already signed a contract agreement with Mr. George.

“These sneakers cost more than your family makes in a month and you dare step on them?” I cursed. The very first day I met this kid, it ended in chaos after he stepped on me, but he had this energy I just couldn't match. I found it intimidating and disrespectful and of course, dealt with him. Only for me to arrive at dinner and mom introduced him again as my step brother. The plan was to ruin him as I hated him even more and in achieving that, I accepted a bet to make him fall for me. But what started as a dare grew into something darker and fiercer. The real feelings set in and this was when the millionaire question struck me: In a world built on lies, dares and betrayal, would love make me or break me?

Velia Argento has lived a sheltered life, fiercely protected by her older brother, Hardin. But when she unknowingly saves the life of Xavier De Santos—Venom, the Alpha and head of the notorious MC The Reapers—her quiet world shatters. Ruthless, powerful, and driven by vengeance, Venom warns her: "You should have let me die." Now, he won’t stop until he owns her, body and soul. Venom is a shifter forged in blood and betrayal, haunted by the brutal murder of his family. He has spent years hunting those responsible, and Dr. Antonio Argento is the key to unlocking his past. When he discovers Velia’s connection to the doctor, she becomes more than a distraction—she becomes his obsession. Trapped in his dangerous world, Velia is forced into servitude, her every move dictated by his unyielding commands. But as she fights to escape his grasp, Venom finds himself drawn to her innocence, her defiance, and the fire in her eyes. He wants to break her—but what happens when the fragile kitten begins to claw back? With enemies closing in, secrets unraveling, and a war brewing among the most powerful mafia clans, Velia and Venom are caught in a deadly game of power, control, and undeniable attraction. She was supposed to be his prisoner. Now, she might be his only salvation. 🔥 **Possessive Anti-Hero** 💀 **Dark Mafia Romance** 🔥 **Obsession & Revenge** 💀 **Spicy & Emotional**

When her mother remarries, Elena is ready to embrace a new chapter of life—until she meets her new stepbrother, Elliot. The shock is immediate and painful: Elliot is no stranger. He’s the boy who tormented her relentlessly in high school, the source of her most haunting memories. Just as Elena steels herself for more heartache, she discovers an even bigger twist of fate—she’s been assigned as his secretary in her new job. Bracing for the worst, Elena is stunned by the man she now faces. Gone is the cruel bully who once made her life a nightmare. In his place is someone kind, protective, and determined to make amends. But forgiveness doesn’t come easily. Memories of the past clash with the undeniable chemistry sparking between them, and Elena struggles to reconcile her lingering pain with the man who now treats her like a treasure. Can people truly change? Or is Elliot simply playing another game?

"Custom demanded that Prince Urban get a love mark tattooed to the side of his left eye as an infant, just like the rest of his people, but to him, the stupid things have only brought on the scorn of his father, the misery of his siblings, and caused his entire kingdom to go broke from fighting so many wars over the irritating ink stains. When Urban’s sister must travel to Donnelly, the kingdom within the sand, for her arranged marriage to align two realms, he goes with her. But he no sooner steps foot inside their castle than his mark starts itching like a son of a bitch, telling him his one true love is near. It just figures, though, that the woman meant for him is completely forbidden. Now he must decide if he should ignore the persistent mark, telling him she's the one, in order to avoid a possible war between kingdoms, or if he should discover whether she's worth risking everything for so they can be together. Either way, his life gets sucked into chaos with threats of beheadings, dark magic lurking, castle traitors scheming, and sword fights eminent. Who knew one little tattoo could cause so much trouble? (ONE TRUE LOVE is the author’s first attempt at a fantasy romance. Please forgive her; she might’ve read an overabundance of Cassandra Gannon, Sarah J. Maas, and Eve Langlais books, then gone off to watch too many episodes of Supernatural, Game of Thrones, and Outlander, because this was the outcome.)"

When a predator becomes the prey… Alejandro Cortes was born into violence. As the heir to the infamous Cortes mafia family, he grew into something worse. Someone who bathes in the blood of his enemies yet with precision. A devil in a tailored suit feared across Italy. Ruthless. Untouchable. A man who ruled through blood and terror. Yet even devils have weaknesses. For Alejandro it was not his wife. It was his daughter. Nikolai Vassilliou built his empire differently. Not by any inheritance, but by hunger. By betrayal. By carving his name into the underworld through sheer brutality. Two monsters ruling two empires. Then one mistake changed everything. A hit meant for Alejandro’s wife ended with his daughter dead. Now Nikolai sits chained in a cold concrete cell. Broken, bleeding and at the mercy of a grieving father. The predator who once hunted… has finally become the prey. But revenge has a way of turning hatred into something far more dangerous.

Si Jacintha Quijano o mas kilala bilang Jaqui ay kagaya ng milyon milyong tao sa mundo na naghahanap ng oportunidad para makaangat sa buhay. Kasabay no’n, hinahanap din niya ang dahilan para patuloy na mabuhay. She was about to take her own life when she met a man who she didn’t realize would change her life forever. Isang eskandalo ang kinasangkutan ni Jaqui at ng binata na ang pangalan ay Amigo Imperial na isa palang pulitiko. Nang dahil sa eskandalo ay nagkita silang muli ng binata at naging magkaibigan. Nang dahil kay Amigo ay nagbago ang pananaw ni Jaqui sa buhay. Natutunan niya na bigyang halaga ang buhay niya. Jaqui started to see the bright side of life. Higit sa lahat, natutunan niyang magmahal ng walang kapalit kahit pa ang ibig sabihin niyon ay palayain ang lalaking minamahal niya at hayaan itong gawin ang magpapasaya dito.

He was supposed to be a stranger. A bruised, scarred, filthy-mouthed stranger who pinned me against a bathroom wall and made me forget the boy who broke my heart 20 minutes earlier. I walked away first without his name or number, and I didn't look back. Then I found out my mom was engaged. To his dad. Rhys Maddox. Number seventeen. 6'3" of tattoos, bruised knuckles, and the kind of jaw that makes good girls do stupid things. The most dangerous player to ever step on our ice. My one-night stand. My new stepbrother. He doesn't follow rules - he breaks them. On the ice. In my bed. Against every surface in our parents' house while they eat twenty feet away. He calls me "sis" just to watch me squirm. He watches me like he already owns me. And the worst part? He does. Publicly, we're fake dating - a deal to keep my ex-bestfriend away. Privately, we're a stepbrother and stepsister who can't keep our clothes on the second we're alone. It's our biggest secret. Now the boy who I once considered my best friend suddenly wants me back. And the stepbrother who wasn't supposed to mean anything won't let me go. One wants to protect me. One wants to destroy me. And I can't tell which is which anymore. --- For readers 18+ who like their men possessive, their romances FORBIDDEN, and their chapters dripping with filthy, unapologetic spice.