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I Confess. I F'ed Your Brother

I Confess. I F'ed Your Brother

When her rich roommate invited Olive to her summer home for spring break, she had one request. Do not sleep with my brother. How hard is going to be to comply to that request? And what will be the fall out if she doesn't?
133 viewsOngoingAdded to Library 3 Times as brother and sister erotica
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I Didn't Sign Up for a Sister-Wife

I Didn't Sign Up for a Sister-Wife

On the day of our daughter's full-month celebration, Harvey McKinzie walked onto the stage holding the hand of his widowed, heavily pregnant sister-in-law. "Honey, to be honest with you—my sister-in-law's baby is mine." His parents followed behind, looking completely unapologetic. "We're the ones who made it happen. We drugged them. Our oldest son may be gone, but the family can't be without an heir. "Harvey is taking on the responsibility of carrying on both family lines—it hasn't been easy for him. From now on, you need to take good care of Lydia and the child she's carrying." The sister-in-law, now eight months pregnant, glanced at me shyly. "Jennifer, we're sister-wives now." I stood there frozen, holding my daughter, my voice trembling. "Why are you doing this to me?" Harvey frowned and let out a long sigh. "You're always saying how hard Lydia has it, right? Isn't it better if I just take care of her openly and properly? "I promise—you'll be the first wife, and she'll be the second. On paper, you're still my only legal wife." In that moment, my blood ran cold. Then, for the first time in a long while, I heard the system's alert in my head. [Host emotional fluctuation detected. Would you like to use all remaining points to exit the current world?]
481 viewsCompletedAdded to Library 12 Times as brother and sister erotica
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FATEBOUND: Mated to my step-brother

FATEBOUND: Mated to my step-brother

“That’s your stepbrother, Ivan,” her mother said as they stopped by the pool. His legs were in the water, a cigarette between his lips, smoke curling into the sky. And right then, Gianna knew she hated him. She hated men who smoked. Or drank. Or reminded her of the father whose scars still lived beneath her skin. After six months away, Gianna Vale returns home to find everything changed, her mum has remarried the alpha of the Wolfe pack— a new house, a new name, and a new problem: Ivan Wolfe. Cold. Arrogant. Impossible to ignore. She wants to hate him. She tries to. But one look is all it takes — one heartbeat, one spark — and the bond between them ignites. Ancient. Unbreakable. Forbidden. They’re mates. A truth neither of them asked for… and one they can’t escape. Because in the Wolfe Pack, love like theirs isn’t fate — it’s a curse. If two fated mates from their bloodline unite, one is to die or become rogue. And when one reckless moment crosses that line, the mark changes everything. And that curse runs deeper than Gianna ever imagined — tangled in her family’s past, in long forgotten memories , and in secrets that were never meant to surface. Now desire becomes danger, loyalty becomes war, and Gianna learns that some destinies were written long before they were born. She was supposed to stay away. He was supposed to reject her. But fate never plays fair.
103.5K viewsOngoingAdded to Library 99 Times as brother and sister erotica
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Post-Marriage: Still Supporting His Brother

Post-Marriage: Still Supporting His Brother

My husband had just ducked into the bathroom when his phone started ringing. I glanced at the screen and saw it was his brother calling. A frown creased my brow, but I answered anyway. "George, why haven't you sent the $10,000 to Mom and Dad this month?" Ross Serrano said. "Mom just asked me about it." I hung up without a word, but a rush of fury surged through me. My husband stood at the bathroom door, his hands still dripping wet. I forced a bitter smile. "You make $8,000 a month, right? $3,000 goes to the mortgage, $2,000 to me, and you pocket $1,000 for yourself. You told me you sent $2,000 to your parents, so how did that magically turn into $10,000?" His lips quivered, his face draining of color. My heart sank, and my hands trembled uncontrollably. We'd been married for five years, and I'd never once laid eyes on his bank card. What other secrets was he keeping from me?
1.6K viewsCompletedAdded to Library 54 Times as brother and sister erotica
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Mom’s Bias: She Chose My Sister Over Me

Mom’s Bias: She Chose My Sister Over Me

My sister and I got into a car crash. My heart was ruptured, and I needed immediate surgery if I were to live. My mother, being the director of her hospital, sent all the doctors to my sister instead, all just to check on her. She barely got hurt. I pleaded and begged for my mother to save me, but impatience got the better of her. She roared, "This isn't the time to take any attention away from your sister! She almost had a bone fracture!" And I died. I remember where it was. It was a freezing operating theater.
8.9K viewsCompletedAdded to Library 274 Times as brother and sister erotica
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Divorced My Husband, Married His Brother

Divorced My Husband, Married His Brother

Charlotte Mateo, a 22-year-old woman discovered that her husband was cheating. Unable to bear the hurt, she filed for a divorce, but her husband, Teddy Hudson refused to let her go. Teddy was the alpha of the Norfield pack. Upon realizing that Charlotte was mated to his elder brother, he tortured her and wanted to keep her. But will Charlotte remain in a loveless marriage? Find out.
105.1K viewsOngoingAdded to Library 112 Times as brother and sister erotica
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While I Gave Birth, He Married My Sister

While I Gave Birth, He Married My Sister

On the day of the earthquake, my sister Elena shoved me off the third floor, then burst into tears and said she had only been trying to save me. Everyone believed her. The only person who stood on my side was Nicolo, the youngest mafia boss Sicily had seen in decades. He lifted me out of the rubble, then proposed to me in front of everyone and said that from that day on, anyone who touched me would answer to him. Two months later, I was pregnant. Nicolo bought an entire island and planted it with my favorite irises for our wedding. My father spent a fortune on a one-of-a-kind gown made just for me. Everyone said I was the most envied woman in the family. Then I went into labor, and both of them disappeared. My father said the family had a deal on the line. Nicolo kissed my swollen belly, murmured that he would be back soon, and promised to bring gifts for me and the baby. Right before I was wheeled into the delivery room, an anonymous video landed on my phone. Nicolo was wearing a groom's suit. Elena stood beside him with a hand resting on her pregnant stomach. She was wearing my wedding dress. Her arm was looped through my fiance's as if she had won him fair and square. At the end of the clip, my father asked in a lowered voice, "If you and Valentina stay married only on paper, what happens to the child she gives birth to?" Nicolo was quiet for two seconds before he answered. "Valentina grew up with everything. Elena spent her whole life carrying the stain of being illegitimate. Her child will not grow up the same way." So all that tenderness had never been for me. It had all been for Elena. Fine. They could have each other.
7.2K viewsCompletedAdded to Library 187 Times as brother and sister erotica
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Swapping Places with My Sister Before I Die

Swapping Places with My Sister Before I Die

On the day I return to the pack once again, my future mate, Kellan Cohen, throws a fancy banquet for me. My younger sister, Lia Smith, asks me loudly while holding a champagne flute, "Ella, I heard that you were exiled to the wilderness where the lowly inbreds roamed instead of patrolling the borders. Is that true?" Everyone gasps in surprise upon hearing Lia's question. Kellan shoots Lia a glare immediately. If this were to happen a year ago, I would've taught Lia a lesson right there and then. But instead of getting mad at her, I even take off the bracelet, which is a family heirloom, and put it onto her wrist just to thank her for showing her "concern" toward me. Not only that, but I also bring up the fact that I want Lia to replace me as a candidate to host the next day's offering ceremony with Kellan. Mom is happy to see me behaving like this. As she pats me on the head, she says, "It seems that Ella finally has learned how to play nice." But Kellan just stares at me with mixed emotions swirling in his eyes. "Didn't you claim that you'd rather die than hand over the position to Lia?" I just sigh quietly on the inside. He's right, but the truth is, I'm about to die.
3.2K viewsCompletedAdded to Library 79 Times as brother and sister erotica
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Affair with my Brother-in-law

Affair with my Brother-in-law

(Polyamory × Mafia Story At the age of twenty-five, Charylle Raquel Jameson lived a spoiled and pampered life as the only daughter of the Jameson Family. She can easily have whatever she wished for, can get away with any scandals and issue with her family's connection. Not until her parents decided to arrange her marriage to one of the most prestigious businessman of their country, Hugo Warren. But that's not where everything is ending. Charylle being a rebel child didn't agree with her parents offer and escaped her family's grip so she can give her virginity to someone else. In that case, her soon-to-be husband might change his mind and break the marriage once he find out that she's not pure as what they intend. At the night of her rebellious event, Charylle had a one night stand with a stranger, who happen to be her soon-to-be husband's twin brother, Hunter Warren. Both stuck at the flame of pleasure and desire, would they rather choose to be intimate with each other and listen to what their bodies wants? Or distance their selves to respect the holiness of marriage?
8.811.6K viewsCompletedAdded to Library 266 Times as brother and sister erotica
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Bound To The Alpha King's Brother

Bound To The Alpha King's Brother

“She's mine, Finnian! The Queen of this kingdom! You've no right to look at her the way you do!” King Rowan roared. “Queen? Or Prisoner?” Prince Finnian shot back, his voice trembling with rage,” You made her suffer, you made her bleed and yet you still have the nerve to claim her?! Don't forget, brother… She's my mate. The Moon Goddess bound her to me!” King Rowan’s eyes flashed red as he stepped closer to Prince Finnian,” I don't care about the moon goddess… touch her again and I will tear your heart into pieces.” Prince Finnian's jaw clenched but he didn't back down,” Then you'll have to try because I'm not going to let her stay for another second in your arms!” Two brothers. One queen. A witch living among wolves for love, caught between a cruel king and his brother who was never meant to love her. Blood or destiny… What wins when love becomes a war? How far will one brother go to keep her? And how far will the other go to claim what’s rightfully his?
102.0K viewsCompletedAdded to Library 74 Times as brother and sister erotica
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Read Brother And Sister Erotica Novels & Stories Online

Here are 500 novels related to brother and sister erotica for you to read online. Generally, brother and sister erotica or similar novel stories can be found in various book genres such as Romance, Werewolf and Emotional Realism. Start your reading from I Confess. I F'ed Your Brother at GoodNovel!
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