Best Adult Horror Books

She swore she’d never fuck him. Her brother’s best friend. The Madrigal heir. Arrogant, reckless, built to ruin her. Then one night he had her bent over the sheets—rough grip, filthy mouth, fucking her like she was already his. It should’ve been a mistake. Just sex. Just heat. Now there’s a billion-dollar merger on the line, a mafia family in the shadows, and Josephine can’t stop spreading her legs for the one man guaranteed to wreck her. He’s chaos. She’s ambition. Together they’re obsession, destruction, and the dirtiest mistake she’ll ever make twice.

Samantha was broke and desperate. Her brother had the perfect solution. Go work for his best friend. But why the hell would Sam want to work for Ares Beck after he spent his whole life bullying her? And better question, why is he so desperate to have her as his PA that he would tell Ben to have her apply in the first place?

Content warning (18+): This isn't your clean romance. It's messy, raw, burning with heats and intense. Enter at your own risk. ~~~ I didn't expect to be fucked by my best friend's dad after crashing at their lake house. They were out of the country and I came to recover from a heartbreak, but I ended up riding his cock all night. He rammed into my pussy as I screamed out my lungs, and the next morning, I sneaked out. Did everything to avoid running into him, but I soon find him sitting across the desk as my boss. I tried so hard to resist him, but I couldn't. I fingered myself in my office, shamelessly moaning his name. Turns out he watched through the camera, and he stopped me from cumming as a punishment for avoiding him. But I defied him, this time I cummed, fingers deep inside my pussy, warm sticky wetness dripping down the floor as I cum despite his raging voice through the intercom. Later, I suck him off to make it up to him, his fat thick cock fills my mouth, his precum spread through my tongue, he cums hard, thrusting into my throat. Then he rewarded me, spread me out on his desk and thrust into my dripping cunt, hard, painful, filling me to the hilt. I know I'm going to hell, I might as well just burn, so I let him use me however he wants. I take his cock without a word, spread for him anytime, until his daughter walks in on us.

Carissa is a beautiful college girl who has long liked Dylan, her brother's best friend. Dylan is Raihan's best friend and Carissa's brother. He also likes Carissa and accepts his family's matchmaking, even though at first it was only to save the company. However, over time, he genuinely develops feelings for Carissa.

Wayne Rivers is the weakest and the most mistreated young wolf in his pack. After being rejected by Ren, his best friend and his pack's alpha, whom he admired and believed to be his destined mate–it is unexpectedly discovered on the night of his awakening that he is fated to be Darius's mate, an older alpha of another pack–and Ren’s father. Wayne is caught between longing and guilt when he is faced with forbidden love–a difficult choice to make. Will he surrender? Or deny the bond that promises the love he’s always wanted? And will Darius defy his own blood to protect the mate he never expected? Find out in the book!

When Iris was sent off at the age of sixteen to train with one of the most skilled Alpha's around, she believed surviving the training was going to be the most gruelling part, but it is when she returned home, the real trouble began. Soon to be Alpha Alban, was Iris's brother's best friend and someone Iris thought she could trust, until one day for seemingly no reason, he changed. He became sick and twisted towards her, beating anyone that came too close to Iris, hounding her with the most vicious insults which left her to sit alone wondering what could have happened. So, when the training had concluded and Iris was sent home, she was prepared to face off with the now Alpha, with the specialist training under her belt she was ready to take him on and show everyone she wasn't the same girl she was when she left. But that was all until she realised, this cruel Alpha was actually her mate. Hurt, angry and confused, she fights against Alban, who was more than surprised with Iris's change but possessively determined to keep her around. With past friends causing the deepest of jealousy, deadly secrets being revealed and a vigilante started by none other than the Alpha's brother, can Iris survive life with her new mate, or sink like a stone. Read on to find out.

Arabella was always under her brother's protection until she got so fed up. Because of the enormous stress she is under, Arabella now finds herself at her sister's best friend's house. Until she innocently experiences many things that commit sin. But does Arabella like it? Does the pleasure of sin make her free from her shackles all this time?

Five years ago, Lana Roth’s world shattered when her fiancé left her at the altar; mocking her body, her worth, her love. From those ashes, she rose sharper, stronger, untouchable. Now the head of a thriving nonprofit, she’s living proof that survival can be beautiful, until Monroe Corp tries to take it away. Walking into Jace Monroe’s office felt like stepping into a storm. He’s cold, commanding, and maddeningly unreadable. Their partnership was meant to save her foundation, not awaken a dangerous pull that threatens the walls she’s built. But when buried secrets start to come to light, Lana learns that the man funding her dream was the stranger from her one night stand and her ex-fiancé’s best friend, her seemingly perfect life begins to crumble.

‘An hunter, and his prey. The forbidden fruit tastes the best.’ “Did you want this?” His deep baritone asked, as he straddled her hips on his thigh, with the eyes locked oozing with tame desires that both had been hiding. “I–I–this is wrong.” Cassandra breathed, but her breathing stiffened when she felt the man's hand run through her thigh into her dress, and it was like her body was on fire. “No one asked you what's right, kitten, I asked, if you want this?” He breathed, his hot breath fanning her chest, and her n*pples stood erected. She couldn't think straight, so she decided to forget about her stance, and let herself loose. She wanted the man badly, she was done fighting. “Yes,” she mumbled. “Answer better!” The man teased, as he pinched her butt. “Yes, I want it daddy!” Cassandra breathed, and immediately the words left her mouth, the man crashed his lips on hers. *********************** Cassandra swore she would never cross the line. But the line blurred the moment her best friend’s uncle walked into her life..older, forbidden, and devastatingly magnetic. She told herself it was just lust. A dangerous spark she could smother with distance. But fate had other plans. Work pushed them together, and every stolen glance, every accidental touch, only pulled her deeper into a desire she couldn’t control. Dante Blackwell was no stranger to women. A notorious playboy, he had conquered them all. But Cassandra was different, wild, untamed, a temptation that clawed at his control. She wasn’t supposed to matter. She wasn’t supposed to be his weakness. But he found her irresistible. Will they resist temptation, or let passion consume them both no matter the cost?

Attention! This is a continuation of my previous book: SEDUCING MY DAD’S BEST FRIEND…. If you haven’t read it. Please do…for better understanding of this amazing part. And also, please note that the continuation of this series: Entangled With My Dad’s Best Friend. Would be continued in the first book Series; Seducing My Dad’s Best Friend. Thank you! :) ———— (Aged Gap) “God, you feel incredible,” he murmured against my lips, his breath hot and intoxicating. I moaned softly, the sound escaping before I could contain it. It was a mix of desire and longing, a plea for more. His hands explored my curves, tracing the outline of my body, igniting every nerve in me. I gasped as he pressed his body against mine, the hardness of his c*ck a reminder of just how real this was. “Mattias,” I breathed, my voice trembling. The way he looked at me, with those intense eyes, made me feel seen in a way I had never experienced. “I want you.” He smiled, a wicked grin that made my stomach flutter. “Then let’s not waste any more time.”