Erotic Brother Sister Stories

She loved him. He humiliated her. Now she’s walking away—for good! Lily gave up everything for her husband, William Aldridge—the man she believed was her forever. But on their anniversary, the night she planned to share the news of her long-awaited pregnancy, she walked in on him tangled in the arms of her best friend. With betrayal cutting deeper than any knife and humiliation turning her heart to ash, Lily makes a choice. No more tears. No more waiting to be loved. If not for her shattered dignity, then for the sake of her unborn child, she will return to her true self—Lilian Arkwright, the hidden heiress of the powerful Arkwright Conglomerate. But just as she begins to rebuild her shattered world, she catches the attention of Aaron Aldridge—the devilishly handsome, younger tycoon brother of William, with secrets of his own and a desire to win her heart, no matter the cost. Now torn between the father of her unborn child, the man who broke her... and the man who would do anything to love her, Lilian must decide: Forgiveness or freedom? Past or future? ~•~•~ Pa! Lily threw the stack of documents on the table in front of him. Without waiting for him to question, she said. "Divorce papers, sign them." William stared at the documents like they were a foreign language. “Divorce papers? You’re not serious,” he said, his voice low, disbelieving. Lily remained seated across from him, her expression unreadable. “I’ve never been more serious in my life.” Leaning forward, she slid the pen across the table toward him and repeated. “Sign it.”

Gregory Wolversen the Alpha of the Black River Pack. He was forced to banish his brother and declare him rogue for challenging his right for the pack. But his brother is mysteriously dead now on the other side of the country. Gregory knows there's a woman claiming to be his brother's bride, but the woman missing and no one has her name. What does she know about his murder? Did she kill him? His money and belongings have been accounted for. So is she a victim too? Aricka Daniels is a widow, a single mother and waitress/librarian who's struggling to survive. It's been seven years and she still looking over her shoulder. Widowed less than seven days after her wedding. She must come to grips with no home or job and a baby on the way that she was never able to tell her husband, Richard about. Her husband had told her to always stay away from his family because they weren't just rich but dangerous. For that reason she fears they might have had a hand in his murder and also fearing they might ruthlessly try to take her son from her. She never told them of him. Recently out of guilt she'd left a cryptic note informing them of his existence. The Black River Pack are the enforcers of the supernatural world in the area. It's their job to deal with the supernatural criminal element. If they don't then they will look weak to the North American Ruling Council and lose the right to their territory. With Gregory's very own parents on the Council they would suffer a lost of power that would rock the supernatural community as a whole. Can he do it all and find his mate and Luna to keep his pack stable?

“Dominick?” Charlie shouted my name in public. But I simply ignored him. “I like you! Please, say it back!” he added. Still, I ignored him and continued walking without looking back. I couldn’t turn my head from side to side when the scandal had already caught everyone’s attention. “Are you deaf? I like you!” he insisted, this time, his voice even louder compared to earlier. “I know you like me, too. So, please, come back!” Dominick and Clarissa were getting married the next day. However, at the bachelor’s party, Dominick Roy de Guzman accidentally had a one-night stand with Charlie Frost, Clarissa’s older brother.

Do I have two wolves inside of me? Check. Smokin' hot two fated mates? Double check. Except they despise each other more than anyone hates Mondays. Dating one means war with the other. But the chemistry? It's off the freaking charts with both. Here's the kicker: my dual wolf curse turns me into a male at night and a female during the day. Reason is; apparently, my Umbra Wolf is male and my Luna Wolf is female. Eighteen is when they are fully awakened and also when shit gets real. Worse, no one told me about this until I turned eighteen and found out myself! A psycho rogue is after me too, and the only way to avoid him is to find my fated mate at the mating ceremony which I am mandated to attend by the Alpha council because of a scandal I accidentally caused. How does one pick between her stepbrother and his enemy? Especially when one is cruel and the other is chillingly creepy. Catch me dodging love triangles, fighting destiny, and maybe getting my heart broken by two hotties at the same time. P.S. If you're into dark romance, reverse harem, suspense that'll keep you guessing, and enough spice to heat up your phone, then buckle up, ‘cause Nimue La Key and her two mates are about to blow your mind.

I caught him red handed with his tongue in his mistress’ mouth on the night we were told I could never give birth. He humiliated me and made me a laughing stock. To spite him, I had a one-night stand with a handsome stranger who was the hotter version of him. On the night our pack is almost burnt down to shreds, my husband is asked to pick one person to save, and he picks her! His mistress! Condemning me to death even after everything I did for him! That is when he erupts from the shadows. HIM, the man who dared to go against the army of the great Redmoon, and the man I had a one-night stand with. “You disappoint me, brother. Father would turn in his grave for your cowardice.” He says to my husband. He is my husband’s brother, an illegitimate son of the late alpha king. He has returned out of spite for his father to possess everything the royal family has ever owned; and that includes me. He is the definition of evil and cruel, but immorality has never looked or tasted so good.

Olivia had never thought she'd see Aiden other than her sister's best friend who is constantly a thorn in her shoes, but after they accidentally made out, things changed between them. Aiden is that one man she should not want. He's forbidden. Off Limits. A certified man whore who doesn't do relationship. And what's worse? Her sister's best friend.

After one devastating breakup, Summer Peterson—quirky, invisible, heartbroken—finds herself tangled in secrets she can’t outrun… in the arms of her best friend’s brother. A forbidden affair. A hidden betrayal. A truth that could destroy them both. Summer always knew loving Hayden was dangerous. He’s reckless. Magnetic. Off-limits. But secrets taste sweeter when they’re forbidden. And Hayden doesn’t just touch. He owns. He ruins. He leaves marks that never fade. One kiss was a mistake. The second was a promise. Now every stolen moment drags her deeper into a web of obsession she doesn’t want to escape. Loving him could cost her everything. Leaving him might cost her more. Some secrets should stay buried. Some kisses never let go. How do you run from the boy who’d burn the world to keep you? And how far will she go for a love that was never meant to save her? ⚠️ TRIGGER WARNING – MATURE CONTENT AHEAD This story doesn’t hold back. It dives deep into explicit sexual content, intense emotional trauma, abuse, violence, and psychological manipulation. This content is strictly for 18+ audiences. If you proceed, do so with your eyes wide open. You’ve been warned.

Hadden's sister had merely choked on some water at the pool while she was swimming, and for that, he shoved me into the pool after tying me up. He left me with only a small hole for air that was barely an inch. He said I would have to pay double for every grievance Julia suffered. I never learned how to swim. There was nothing I could do but try my best to breathe as I sobbed and begged him to let me out. Yet all I received was a lecture. "You'll never learn if I don't teach you a lesson now." I struggled to stay afloat, but… It took five days before Hadden's anger dissipated and he put me out of my misery, but it was already too late. "I'll let you go this time, but you'd better not make the same mistake again!" I had already drowned to death.

Fiona takes on the identity of her twin sister, Fey when she goes missing. One month ago, Fey tells her, that her newly wedded husband, Alpha Cult is hiding something. This is the last time Fiona heard from her sister. Hence, Fiona is out to find Fey even it means pretending to be her, the Luna of the Sovereign Pack and wife to the Alpha. He is supposed to be her first suspect. She is not supposed to want his mouth in between her legs. It is supposed to be forbidden but Fiona wants to break this one law. She doesn't know how dangerous Alpha Cult can be especially when he is not just a wolf. A part lion and A part wolf. A creature that is born once in a thousand centuries.

My heart stops. For a moment, everything around me falls away. The people, the noise, the ballroom—all of it disappears as I stare at him. My chest feels tight, like I can’t breathe, and my mind goes blank. It’s him. The man who kissed me, who left me reeling with emotions I didn’t even understand… is Lilly’s fiancé. … After watching the brutal death of her father in the Vanderwilson pack at the age of 10, Agatha’s life has been nothing but a nightmare. Lycanless and powerless, she’s trapped in a world where strength is everything—and she has none. Her stepfather Nick’s abuse keeps her in the shadows, and her once-loving family now feels like a distant memory. But when her sister Lilly announces her engagement to the new Alpha of the Vanderwilson pack, Agatha is forced back into the world she was rejected from. At Lilly’s lavish engagement party, Agatha crosses paths with a mysterious man in the garden—an encounter that stirs a deep, forbidden connection within her. But when she learns that the man is none other than Lilly’s fiancé, her world shatters. Agatha’s heart is torn between a burning attraction and her loyalty to her sister. With secrets lurking beneath the surface—ones that could destroy her world —Agatha must decide whether to follow her heart or protect the ones she loves. In a world ruled by Lycans, what happens when the real danger comes from within? Betrayal, forbidden love, and dark secrets collide in My mate is my brother-in-law and the alpha —a heart-pounding, emotional rollercoaster you won’t be able to put down