Sonic Underground Siblings Novels & Stories

Aurelia had always hated the Thorne twins, and it was no secret. She hated the way they looked like she mattered only to pull the step siblings card… she hated the way they always had their stupid signature smirk on their faces whenever they pulled her leg… hated the way they knew how to pull the right strings to get her and most importantly hated the way, they acted like they weren’t watching that day, watching her as she climaxed alongside them. So no, she definitely didn’t watch them when they weren't looking and absolutely didn’t care who they were smiling at when it wasn’t her. Their friendly step- siblings rivalry had ended on her send off party and 20 year old birthday when she had confronted them and ended up in their bed… only to wake up to their leaked tape. They however did nothing but watch as her dignity was rubbed all over the ground. Five years later, she had moved on and built a perfect life with her 4 year old baby girl and her best friend from back home. Life was perfect until his proposal was interrupted by the Thorne brothers while she was on their cruise ship sailing to the city of her dreams to her dream vacation. It all happened in the blink of an eye and she had woken up to see that their ship was floating in the horizon, leaving them on an abandoned island with nothing but their clothes. Old hatreds ignite. Old secrets surface. And this time the twins aren’t just watching in secret like they had all these years. They’re here to finish what they started… this time they have no plan to let her GO…

Beatrice Blanche the youngest princess of the Blanche Family, is also known as the ugly duckling. She was abused her whole life by her siblings and parents and she sometimes wonders if she is their blood. Duke Arthur Lionel, the young lord of the north became the reason for winning countless wars together with the Crown Prince. After the war, he came back to his estate and killed all of his family members. That is when he was branded as the Monsterous Duke of the North. After marrying the duke, will Beatrice lead a happy life and fall in love with the duke? Or will Beatrice still have a miserable life? Will Duke Lionel open up to her wife and treat her well? Or Duke will also kill his wife like he did to his family?

Lycan children born from Alphas often came in twins or triplets. Destined to be matched with one female throughout their reign. But it wasn’t that simple. Some Alpha siblings were willing to share. Others prepared to kill one another to keep their mate to themselves. It was no different for Jaxon and Xander. Having already rejected three mates they are paired with a fourth, something that wasn’t heard of. The only problem was, she wasn’t a Lycan. Blue is a wolf with no pack. She refuses to live as a wolf, and instead lives among humans. When Jaxon and Xander walk into her life, they turn it upside down. Secrets that she had kept hidden for a long time start to come to the surface, revealing Blue for what she really is.

She thought she knew love. At eighteen, Eve Monroe gives her virginity to her brother’s best friend. But the man she trusted with her heart is no savior, but a predator. Ian isn’t just ambitious, he’s ruthless. Noah, Eve’s brother, is part of an underground organization that hunts men like Ian. But when Eve learns the truth about Ian and her brother, she’s trapped in the crossfire. Will she stand with Noah, the brother who raised her? Or will she be destroyed by the man she once called her first love? Either way, betrayal runs deeper than blood.

Sabiana Zoreta was bought for fifteen million pesos. At the very young age of twenty, she was being bid in an elite club. She was taken there to be sold and included in an auction. Kidnapped at the age of three by her father from her wealthy stepdad, she later questioned why he would sell her when she grew up. Could a father really sell his own child? For her father, the answer was yes. She was raised to be a commodity, but the man who bought her didn’t want her for just one night. He wanted her to be his lover—Lennox Montebello, a member of the underground organization, dirty, dangerous and dark.

Katherine had no choice but to pretend as Adam Beaumont's fiancee, and had to marry him. But turns out that Adam isn't just a rich businessman and a dangerous mafia lord, but also a supernatural being, a dark creature at night, a beast in people's nightmares. Would Katherine still accept him? And what if Adam isn't really who she think he is? That he has another name, which is Carter of the underground world. And what if she will discover a big mystery behind her identity? That she's not actually Katherine Sullivan but Eve Delluci, someone who has a big role in Carter's world.

Lily had always known that the triplets who her parents found when they were babies were different. But that didnt stop her from loving them like her siblings, and they all grew up together. Until she came back home, on their eighteenth birthday to find her parents brutally murdered and the triplets no where to be found. Now five years later, five years of searching for them for answers, they were back, looking for her help. Like nothing happened, and one of them is calling her Mate...... Would she be able to put down her anger and hatred to help the three she once loved dearly? And more, how do you form a sexual relationship with someone you have hated for five years?

Three nights ago, I was locked inside my own family’s underground wine cellar. When my congenital heart condition hit, I called my husband, Zane Corleone, and begged him to come save me. He didn’t come. Instead, he stayed with another woman all night because she was afraid of the dark—and told me to stop faking it for attention. That was the moment I finally understood. If he cared that much about her, then I would do the one thing neither of them expected. I would make room for her. In three days, I would disappear from his world completely.

Wyatt Lane stands at the precipice of his own making. Behind the façade of a successful CEO lies a secret life of underground fight clubs, where Wyatt, known as Hawk, battles his inner demons. As he grapples with a love he dares not confess for his childhood friend, Penelope, his nights are consumed by brutal violence, a desperate attempt to control a life that feels increasingly chaotic. Penelope, ever-present yet painfully unaware of the depth of Wyatt's restlessness, struggles to penetrate the armor he's built around himself. As their bond deepens, so does the danger, leading Wyatt to a crossroads: confront his hidden fears and desires or succumb to the darkness that threatens to consume him.

Forbidden Flames: Erotica Collection Rated 18+ | Mature Content Warning This book is for adults only. It contains explicit sex, strong language, taboo themes, power imbalances, and intense forbidden fantasies. Read at your own risk or pleasure. Forbidden Flames: Erotica Collection sets fire to raw, unapologetic short stories where desires ignite and boundaries burn. Behind every locked door, late-night office, shadowed corner, or family beach house, control crumbles and pleasure takes over. A rebellious student tempts her married professor into desk-bound ecstasy. Lifelong best friends confess hidden cravings in a champagne-soaked hotel suite. A protective older brother comforts his heartbroken sister until hugs turn carnal. A devoted wife teases her husband with filthy texts from a stranger’s lap, then rides while he watches in voyeuristic shadows. Step-siblings reunite and drown in years of unspoken lust. A tough cop “interrogates” a caught thief in her cruiser. A shy patient surrenders to her doctor’s dirty exam. Strangers collide on a rocking night train. A yoga instructor stretches more than posture in private sessions. A vampire claims his prey with hypnotic bites and thrusts. These tales are fast, filthy, and mercilessly hot—dominance that commands, submission that begs, risk that electrifies every touch. Possessive professors, teasing wives, forbidden siblings, power-play cops, and strangers who seize what they crave—no regrets, just sweat-soaked sin. No slow burn. No holding back. Just skin, heat, and desire that leaves you breathless and aching for more. If you crave professor pets, secret flames, sibling sins, cuckold thrills, and every taboo edge—Forbidden Flames will consume you. Steamy | Taboo | Forbidden | Professor | Best Friends | Siblings | Cuckold | Power Play | Risky Encounters | Dominant | Voyeuristic [Collection expanding with fresh heat 🔥]