Sister Boyfriend Novels & Stories

I slide into the bath and let my muscles melt. My mind drifts—back to dinner, the city skyline glittering behind Tommy’s head. I close my eyes, biting my lip. One hand trails beneath the water, slow and lazy. I don’t mean to. But it’s all still so fresh—the way his hands felt on my skin, how deeply he— Except, it’s not Tommy I’m imagining anymore. It’s the doctor. Suddenly, it’s his fingers I’m imagining spreading me open. That cool composure cracking as he groans my name into my neck. “Oh, fuck,” I moan, breath catching as the orgasm rips through me like a shot of white lightning. My back arches against the porcelain. Water sloshes. “Dr. Cole,” I gasp before I can stop it. And then I freeze. What. The. Hell. **************************************************** He’s her gynecologist. Her client. And her boyfriend’s father. What could possibly go wrong? Beth thought dating Tommy was the start of something stable. Sure, he was cocky and impulsive—but charming, right? Until the red flags started piling up. The gambling. The secrets. The mood swings. The way he always blamed her when things went wrong. But then she meets his father. Dr. Stacy Cole. Silver fox. Calm. Collected. Everything Tommy wasn’t. And she already know him. He’s her OB/GYN. Her firm’s newest client. And the man who makes her body betray her every time he’s near. Beth knows she should stay away. But when Tommy starts spiraling and Stacy starts looking less like a boundary and more like a lifeline… she’s forced to face a terrifying truth: She might be falling for the one man who could destroy everything. Taboo. Addictive. Slow burning. Emotionally dangerous. This isn’t your average age-gap romance.

Mackenzie finds herself in a predicament when she is thrown into a world of violence, lies, and danger after she got a call that her ex was kidnapped, he had left a note for her and ran off with her savings. And now she is told to find money for his ransom alone and she goes to his father. Together they must find out what happened to him and at the same time try to keep their hands off each other. What happens when she starts having feelings for her ex's father? And what happens when she finds out she wasn't the only one holding back? Will she find out the truth about his son's disappearance so they can go their separate ways? Or will they give in to the temptation?

In my previous life, on the day my sister and I attended the Witch Covenant's mating ceremony, I saved a fallen vampire prince. To repay my debt, the prince, upon returning to his clan, immediately declared that I would be his future bride. A year later, I gave birth to a pureblood heir—the only successor of the entire vampire lineage. The prince was overjoyed. On the day of his coronation as King, he sealed a blood bond with me, declaring me his eternal companion and queen. From that moment, I was revered by all races. My sister, meanwhile, chose a powerful werewolf Alpha, only to fade into obscurity as one among his many lovers. Her jealousy of me spiraled into madness. During a full-moon ritual held by the witches, she pushed me into an abyss, leaving me to die from the fall. When I opened my eyes again, I saw her running toward the direction of the vampire prince's misfortune on the very day of the mating ceremony. I knew then: she, too, had been reborn. But what she didn't realize was this—becoming the prince's bride was easy. Winning his heart, bearing his child, now that was as impossible as climbing to the heavens.

warning ⚠️ Explicit sexual content. 100% Feel free to touch yourself while you read Synopsis & Plot She loses everything in a heartbeat. Her career, her reputation, and almost her name after a viral scandal caused by the man she once loved, Micheal. Forced to pay her debt, she accepts a cold contract from billionaire Adrian Que: six months as his wife in exchange for financial freedom. But she discovers Adrian is Michael’s father, trapping her between the man who ruined her and the man who now owns her.

I woke up in bed with my sister’s fiancé… naked, confused, and accused of drugging him. The cameras say I did it. The media says I ruined my sister’s engagement. My family says I must marry him to fix the scandal. But I remember nothing. Now I’m trapped in a marriage with a man who looks at me like I’m dangerous… while hiding a secret that could destroy everything. Someone framed me. And if I don’t find out who did it before this one-month marriage ends, the truth might be buried forever… along with me.

Scarlett I was in love with Archer. He was my everything- the one I was so sure I would end up with. Until fate ripped my world apart. Because my mate wasn't Archer. It was him. Adrian Blackwood. The cocky, entitled, and unapologetic Alpha who believed the world revolved around him. A notorious heartbreaker who toyed with hearts like they were nothing… He was everything I swore I'd never want. Yet the one temptation I couldn't escape. One touch sets my skin on fire. One stare unravels me completely. Adrian was forbidden, a fire waiting to consume me… and he’s relentless Now I'm caught in a deadly game of love between two rival brothers. Two men. One heart. Do I fight for the man I love or surrender to the one fate has chosen for me? ******* Adrian She was already mine. The moment fate tied her to me, it was done. Sealed. Unbreakable. But Scarlett? She refuses to accept it. Her heart belongs to Archer, my step-brother. My greatest enemy. That should have made me walk away. But I didn't. Because no matter how much she fights it, she is mine. Mine to ruin. Mine to claim. Mine to protect. I never chased. Never got attached. But for Scarlett, I’d break every damn rule.

Andrea - Deciding that I was going to skip a day at work so I could have first time sex with my boyfriend seemed like the most absurd decision I could ever make. Or at least that was what I'd thought. Until I'd walked in on my said boyfriend cheating on me with some redhead and decided to get my revenge by losing my virginity to his wealthy billionaire father instead. Crazy, right? Trust me, I know. Like that's not enough, things take a drastic turn for the worst after I realized I was in love with him and pregnant with his child. Alejandro - I should have known better than to get involved with someone way younger than me. It was something I've never done before. But like the saying goes, there's a first time for everything. The first time I met Andrea I was captivated by her beauty. More than that there was this innocence in her that called out to me like a moth to a flame. I ignored all the warnings in my head and went after what I wanted. And what I wanted was her. Unfortunately what she wanted was revenge against my son. I told myself that it had to be some kind of mistake. There was no way she had been playing with my feelings and planning some silly revenge this whole time. But she had. But I couldn't deny that she'd fooled me real good alright. So naturally I cut ties with her. And that's supposed to be the end, right? Wrong. Turns out that our story was never destined to end just there. . .

I found my boyfriend in bed with two women on what was supposed to be our anniversary. Heartbroken and humiliated, I did something I never thought I'd do—I spent one unforgettable night with a mysterious stranger at a hotel bar. Six weeks later, I'm pregnant. And I have no idea who the father is. Until I walk into my new job at Sterling Corporation and come face-to-face with Alexander Sterling—the ruthless, devastatingly handsome CEO who also happens to be my ex-boyfriend's father. He wants to claim me. Protect me. Own me. But loving Alexander means declaring war on his son, risking everything I've worked for, and navigating a scandal that could destroy us both. They say forbidden fruit tastes the sweetest. I'm about to find out if it's worth the price.

I have been the Donna of the Smith family for nine years— but only in name. I took my deceased twin sister Lily’s place, raised her daughter Emma as my own, and lived beside a husband, David, who never once looked at me with love. For nine long years, I gave everything. Emma, however, only saw me as the woman who “killed her mother,” never knowing it was Lily who stole my marriage, my identity, and the man who was supposed to be mine. She pushed me in public, screamed that I was a murderer, and even used the gun I gifted her to shoot the only thing that brought me comfort—a tiny bird I’d been nursing back to health. And David… David, the man I once loved with my whole heart, couldn’t hide the coldness in his eyes. Every time he looked at me, I could feel Lily’s shadow standing between us. So I made a decision. If this family wanted Lily so badly— then they could have her ghost. I would leave the Smith estate, the title of Donna, the child who hated me, and the man who never wanted me. But the night I packed my bags, David suddenly appeared in the doorway, blocking my path— his eyes no longer cold, but afraid. As if he had finally realized what losing me truly meant.

Lauren and Leslie are two identical twin sisters. Lauren was engaged to the second son of the richest family in New York. But a day to her wedding, Lauren had a heart failure and she needed to fly to Korean for the surgery. Now, Leslie was told to take her elder sister’s place and marry the second son and pretend to be Lauren. But what happens when Leslie falls in love with her sister’s husband whom she wasn’t supposed to fall in love with? And what happens when Lauren comes back to claim what was originally hers? What is the fate between this two sisters as they fight their way into the heart of Caden Max Holton?