Underworld Fanfiction Crossover

In the dark underworld of Cosa Nostra, a hidden mafia princess is suddenly thrust into a deadly feud between two powerful mafia families. Lucia, a young woman who had no idea about her true lineage, is living a peaceful life in a nun's convent until the day her father's enemies come calling. Her world is turned upside down when she discovers she's been groomed her entire life to be the perfect mafia wife, because she's been promised to an enemy since birth. Forced into an arranged marriage with Giovanni Vittori, the ruthless eldest son of the Vittori Capo dei Capi, Lucia finds herself caught in a twisted game of power and vengeance. When the blood feud between their families rages on in the aftermath of a disastrous wedding, the stakes get higher and the danger grows. Lucia must rely on her wits and cunning to survive in a world where everyone is a potential enemy. Giovanni is torn between his duty to his family and his growing obsession with his beautiful bride. But as they fight to overcome their families' bitter past, they find themselves surrounded by enemies on all sides. In a world of vendettas and retribution, can they find love amidst the chaos, or will they be crushed under the weight of vengeance and sacrifice? *** Giovanni is Book 1 of 4. The subsequent sequels will be released under this book. BOOK 1: GIOVANNI - COMPLETED BOOK 2: EMILIA COMPLETED BOOK 3: DOM (TBA) BOOK 4: FRANKIE (TBA)

She has never spoken a word. Not because she chose silence— But because life chose it for her. Aradhya Mishra, mute since childhood and walking with a painful limp in one leg, has lived in the background of the world. Quiet, observant, and emotionally scarred, she’s learned to express her thoughts through gestures, eyes that speak volumes, and a heart that still dares to dream. She's fragile on the outside—but only fools mistake her silence for weakness. He was born to dominate. Avyaan Singh Rathore—aka MADVIPER—is the brutal, cold-blooded mafia king. Ruthless, feared, and untouchable, he rules the underworld as the head of the secretive gang THE VEYRIX. His name alone silences rooms. He doesn't believe in love. Doesn't care for innocence. Until he's forced to marry her. A girl who cannot speak. A man who doesn't listen. Tied in a bond neither wanted— And for a reason neither knows. What begins as a mistake turns into something much more twisted. A war of silent stares, guarded hearts, and slow-burning emotions. She's the calm to his storm. The quiet to his rage. And perhaps—the only voice his soul can still hear. But love doesn’t bloom easily in a world soaked with blood and secrets. When two broken souls collide under a lie, Can truth set them free— Or will it destroy them both?

A Dark Mafia Romance , Dual POV , Forced Marriage , Obsession , Betrayal , Secret Identity Leona Moretti thought she was saving her brother’s life when she agreed to marry New York’s most feared mafia boss. She was wrong. Dante Rizzo didn’t take her out of mercy. He took her because she was promised to him. Sold by her own brother like a piece of flesh, packaged with a smile and a wedding ring. And Leona walked willingly into the trap. Now she wears his name. Sleeps in his bed. Lives in a mansion guarded like a prison. But he doesn’t touch her. Not yet. He watches. He waits. He burns. Dante is cold, cruel, and unreadable...until she disobeys him. Until she presses the wrong button. Until the mask cracks and she sees what he really is: A man obsessed. Possessive. Completely unhinged when it comes to her. But Leona has secrets of her own. Like the fact that she may not be a Moretti at all. And her entire life? A carefully constructed lie hiding a truth soaked in blood and betrayal. She’s not just a pawn in a mafia game. She’s a daughter of the deadliest name the underworld ever buried. And Dante? He’s not planning to let her go. Not when he finally has the one thing he's been denied his entire life. Her.

“One life saved. One soul claimed.” “You belong to me now, little bird. You saved my life, and now I will spend mine claiming yours.” Cardiovascular nurse Ava Moreles thought saving a dying stranger was just another day at the hospital. She had no idea that pulling Dario Santos back from death’s door would seal her own fate. Dario Santos doesn’t just rule the underworld—he owns it. And now, he’s decided he owns her too. When he crashes her wedding with blood on his hands and possession in his eyes, Ava realizes the man she saved isn’t just dangerous—he’s obsessed. With her. Torn between the safe love she’s always known and the consuming fire of a man who would burn the world down for her, Ava must navigate a treacherous path where every choice could be her last. In Dario’s dark empire, love isn’t just dangerous—it’s deadly. But as the line between captive and willing participant begins to blur, Ava discovers the most terrifying truth of all: the monster she’s supposed to fear might be the only one who truly sees her soul. Will she surrender to the darkness that calls to her? Or will fighting for her freedom cost more than she’s willing to pay? Some obsessions are worth dying for. Others are worth killing for.

“He pressed me to the wall with one hand tight around my throat, the other sliding beneath the thin silk clinging to my skin. I should’ve been begging for help. Instead, my knees went weak when he leaned in, his mouth hot against my ear. ‘Does it hurt, darling?’ he whispered. I shook my head, even as his fingers left bruises. ‘Good. I like it when you take it.’ God, I hated him. God, I wanted him to never let go.” A DARK, EROTIC TALE OF OBSESSION, HUMILIATION, AND HUNGER. They called him the Devil, a sadist with a crooked smile and hands built for breaking men. In the underworld’s most perverse auction, Luca Ruelle is nothing but trembling prey, sold for a price no soul should fetch. Silk-wrapped, bare, choking on shame and smoke, he should be praying for rescue. But Kain Astor doesn’t rescue. He claims, corrupts, and devours. He teaches Luca how it feels to be owned. How pain can bloom where fear lives. How pleasure is just another kind of cruelty. Every command is a dare, every punishment a promise. Under Kain’s hands, Luca learns the exquisite agony of surrender, and the terror of how badly he needs it. He should be fighting for his life. Instead, he’s sinking to his knees, eyes glazed, lips parted, whispering the one word that seals his fate— “Please.”

Asul Xyreighn was only ten when she watched her family be slaughtered in front of her eyes—flames, blood, and a killer’s cold smile burned into her memory forever. That night, she lost everything… and was reborn with only one mission: revenge. Now twenty-five, she enters the underworld with a new name and a new face. Her target? Zech Chartreuse—billionaire, assassin, and the man who may have destroyed her life. Her plan was simple: seduce him, earn his trust, and then end him. But nothing about Zech is simple. He’s dangerous. Obsessive. Addicted to her presence like she’s the air he breathes. He takes her to Heaven Island—his secret paradise, where she becomes his obsession, his muse… and his prisoner. What begins as an act turns into nights of forbidden heat, stolen kisses, and whispered truths. Every time he touches her, she forgets why she came. Every time he holds her, she questions her own heart. But when she runs away with a secret he never saw coming—he hunts her down with fire in his eyes and madness in his love. Can she survive the love of a man willing to burn the world just to keep her? Or will her vengeance cost her the only person who ever chose her? This isn’t just a romance. It’s obsession. And once it starts, it never lets go.

Amidst the dimly lit room, the tension was palpable as Clyde's vice-like grip closed around Isabella's neck. She struggled to gasp for air, her defiance clear in her eyes. "You are no one for me, do you understand?" Clyde hissed, his fingers digging into her skin. Isabella, her voice trembling but unwavering, met his intense gaze. "And you are the most darkly comedic and nightmarish chapter of my life." Clyde, cruel laughter in his eyes, flung her onto the bed with a brutal force that left her breathless. "Then let's make this chapter even more nightmarish," he taunted, a twisted grin dancing upon his lips. The story takes an electrifying turn when Isabella, longing for a peaceful visit to her grandmother, finds herself back in her home country. However, fate has other plans as Isabella's suitcase, filled with her belongings, gets exchanged with Clyde's bag - full of illicit weapons. Clyde, a dangerous figure entangled in the criminal underworld, cannot allow Isabella to simply walk away after discovering the dangerous secrets within the swapped bag. As the noose tightens, he's left with a limited choices: kill her or hold her captive, forever altering the course of both their lives. Amidst this high-stakes power struggle, a relentless battle for survival and freedom unfolds, painting the pages of this thrilling tale with suspense and danger.

No one crosses Dante Kincade and walks away unscathed. I just did it with a microphone and a song that made the entire room gasp. Marisol Franco has spent years hiding under a fake name, trying to outrun her father's brutal empire. But one impulsive karaoke performance at a corporate event shattered her cover and made her the target of her powerful CEO, Dante Kincade. Cold, calculating, and rumored to have ties to the underworld, he doesn't forgive public humiliation. Dante wants revenge and her secrets. But as his obsession grows, so does the dangerous desire neither of them can control. With her fire and fearlessness, she’s nothing like the women who try to please him. She meets him head-on and defies him at every turn. But her past is darker than he imagined. Hunted by her father’s men and promised to a sadistic cartel heir, she’s running out of time. Trapped between three dangerous men and a past that won’t stay buried, Marisol must decide who to trust before everything goes up in flames. Now, the only man standing between her and a fate worse than death is the one who has every reason to destroy her. Dangerous Melodies is a dark, addictive romance brimming with secrets, betrayal, and enemies-to-lovers heat. Perfect for fans of forbidden desire, dangerous obsession, and love that refuses to surrender.

Amelia, a struggling single mother, dreams of providing a better life for herself and her 4-year-old daughter, Phoebe. Unbeknownst to Amelia, Phoebe carries the blood of a unique creature inherited from her gay father, Dave. Haunted by nightmares featuring werewolves and other underworld creatures, Amelia longs to escape the city and find solace in her own home. One serene Sunday afternoon, Amelia finds herself drifting to sleep beneath the shade of a magnificent tree near her dream house. Little does she know that Martin, the charismatic leader of the Tikaluna Tribe and a werewolf with a romantic soul, is about to enter her life. Martin is instantly captivated by Amelia's beauty and falls deeply in love with her. As their bond grows stronger, Martin presents Amelia with an enticing offer - a life filled with wealth, power, and love. However, there is a condition: she must leave her daughter behind. Determined to stay with Phoebe, Amelia challenges Martin to abandon his tribe and undergo a ritual that would strip him of his immortality, allowing them to live as mortals together. Meanwhile, the townspeople desperately seek Martin's aid in protecting them from the relentless attacks orchestrated by his rival beast clan. Martin finds himself torn between his duty to his tribe and his love for Amelia. Will Martin sacrifice his immortality for the sake of love? And will Amelia prioritize wealth and power over her daughter's happiness?

She was sent to destroy him. She never expected to fall for him. Nora is sent to infiltrate the ruthless DiFronzo crime family and steal something that has been taken from the government a long time ago by the DiFronzo family as an act that will dismantle their empire and avenge the only father figure she ever had. Disguised and deadly, she slips into their world on the night Robert DiFronzo is crowned the new mafia boss. The heist is flawless. The escape? A disaster. When a brutal series of murders shakes the underworld, all signs point back to the DiFronzos. Determined to uncover the real mastermind, Nora takes on a new identity as a bodyguard to Robert’s kidnapped sister. But the deeper she dives, the harder it becomes to see Robert as just another enemy. He is ruthless yet fiercely loyal, a man trapped in a bloody legacy he never asked for. And against every rule she’s ever followed, she starts to fall for him. Then Robert announces his engagement to someone else. Betrayed and broken, Nora walks away. But the past is not done with her. A deadly conspiracy forces her back into the shadows, where the only way to end the bloodshed is to take down the real villain before he takes any other life. With enemies closing in, secrets unraveling, and bullets flying, Nora exposes the true traitor behind the murders who is willing to kill for its own gain. For fans of high-stakes romance, deception, and jaw-dropping twists, Agent 64 delivers an unforgettable ride where love and danger collide in the deadliest of ways.