Underworld Fanfiction Crossover

Vivian Kane is a ghost in the digital underworld, slipping into Alessandro Costello’s world like she’s always been there. She lifts his wallet with a swipe of her fingers, and just like that, she’s not only hacked his systems—she’s hacked his life. Alessandro Costello doesn’t do forgiveness. She’s made it personal, and now he’s out for blood. He’s ready to turn her life into a living nightmare, using every dirty trick he knows to make her regret ever crossing him. What starts as a simple theft quickly spirals into something far darker. They’re trapped in a high-stakes game of cat and mouse, where every touch and taunt turns up the heat until it’s a steamy, no-holds-barred battle of lust and dirty games. In this twisted mind-fuck, trust is a luxury neither can afford.

Vanessa never expected her life to shatter in an instant. After getting kidnapped by someone dear to her, she is thrust into a brutal underworld, kidnapped by a mafia she barely knows exists. Her impulsive acts makes her make the horrible decision ever. Amidst the chaos, another mafia steps in to help her escape. Drawn to in ways he can’t explain, he risks everything to protect her from a deadly fate. But as she finds herself free yet in constant danger, she can’t deny the growing bond between them—or the sense of debt she feels towards him. With danger at every turn and enemies closing in, They must go through a world of violence, betrayal, and desire. Can they survive long enough to confront the past and take control of their futures? Their only hope may be each other, but in the mafia world, money comes first!

Once a helpless girl, now the most feared assassin in the underworld—Sameera Ashar knows how to survive. But when she’s framed for the murder of billionaire Vaughn Steele’s wife, survival isn’t enough. She needs revenge. Vaughn should’ve known better than to trust the evidence. But blinded by fury, he hunts Sameera down, forcing her into a marriage built on deception and control. She’s his prisoner, his obsession… but never his victim. Yet, beneath the hatred, the stolen glances, and the war between dominance and defiance, desire sparks. The more Vaughn tries to tame her, the more she consumes him. And when the truth unravels, leaving them both exposed, he realizes too late—Sameera was never his to break. Now, with enemies closing in and a love as dangerous as the secrets between them, the hunter is about to become the prey.

Jessica lost her mother and her father brought home his mistress. With no other option, she went abroad. But she returns, this time stronger and eager to know the truth of her mother's death. She meets her father and is asked to marry the leading industrialist in the country, Steve Smith. To humiliate her father she runs away but is caught by her would-be-husband. He asks her to marry him in return for giving her the truth about her mother's death and she agrees. Steve thinks that the girl is just as innocent as a flower, but he is wrong, Jessica is just testing him whether he lives up to his title as the 'second most wanted gangster' in the underworld. While they both in love with each other their secrets about the underworld disturb their life. Will they be able to fight back and not just go with the flow? Well, this going to be hard...

Synopsis Vera, a plus-size she-wolf, suffers the ultimate betrayal when her mate Alpha Daemon publicly humiliates her by sleeping with five she-wolves during their Moon Ceremony before rejecting and banishing her. Broken and alone, she's attacked by rogues until Dante Russo—a ruthless Lycan hybrid and mafia king—saves her life. When their second-chance mate bond ignites, Vera tries to reject it, terrified of more pain. But Dante has waited eight years for his mate and refuses to let her go. As he introduces her to his dangerous world of crime and violence, he makes a deadly vow: everyone who hurt Vera will pay in blood. Now Vera must decide if she can trust again and accept her place as queen of the underworld, while Dante wages war on anyone who dares disrespect his mate.

Zeres Hades seeking to retrieve his already stolen kingdom, but problem arouse and he alone must to solve that problem. In the whole of the dark creatures those great and small, Zeres was one with the powers of great doom. His powers was already linked to the goddess of life and death and then on the verge of his ascension, he met Abigail Timothy. His whole world came to a standstill when she proposed to him on the day of his birthday. Her only action got her hellbound with him. Volume 2 Ezekiel Louis exposed to the fact relating his dangerous powers. It was either tit for tat but unknowingly, his soul was demanded in the underworld, whoever had gotten a glimpse of this evil powers is always destined to be summoned, sooner or later. Ezekiel will have to fight for his stay , Kai would take over from him though but his presence would be nothing less than just dememted. He was the true ruler of the underworld.

Five years into my marriage to Dante Moretti, the Don of the Chicago Outfit, the entire underworld knew he loved me more than life itself. He’d had a violin—for me—tattooed right next to his family crest, a symbol of loyalty that could never be erased. Until I got the photo from his mistress. A cocktail waitress, sprawled naked in his arms, her skin marred by the dark bruises of rough sex. She had scrawled her name right next to the violin he’d gotten for me. And my husband had let her. "Dante says only being inside me makes him feel like a man anymore. You can’t even get him hard anymore, can you, sweet Alessia? Maybe it’s time to step aside." I didn't reply. I just made a single call. “I need a new identity. And a plane ticket out.”

“I wish I had not met you once more” After the tragic death of his fiancee, Cullen Anderson raged a war against death that sent him to the underworld, where the Daimons lived. Cullen found favor in the eyes of Thanatos, the god of peaceful death and made him a grim Reaper as his punishment and his second chance. If he fails, his soul will vanish forever. One hundred souls to go, and mission accomplished, but then he encountered Paige, a Filipino-British model. She is the reincarnation of Cullen’s fiancée, Amari, who was brutally killed almost ten decades ago. She was reborn to torment Cullen’s soul once more. One of the Daimons wanted to erase Cullen in eternity forever. But why? Will history repeat itself? Will Cullen win against the plot of the minor gods? Brace yourself as you read the Grim Reaper's diary! The untold stories of darkness, you have never heard before.

When Mafia boss Leo Vance becomes the target of a new head of the investigation team, his childhood friend turned enemy, Omar, employs a junior agent, Mae Yrote, to eliminate Leo. However, Mae's mission takes an unexpected turn when Leo captures her, leading to a dangerous game of cat and mouse. As Mae attempts to carry out her mission, she uncovers the dark underworld of Leo's operations and finds herself entangled in a complex web of deceit and betrayal. Both Leo and Mae struggle with their growing feelings for each other, adding another layer of tension to their already precarious, dangerous situation. Mae must navigate between her duty to the government and her conflicted emotions for Leo.  A story where loyalties are tested and destinies are intertwined in an unexpected twist of events. The boundaries between predator and prey blur against a shadow of love, betrayal, and redemption as Leo and Mae's destiny crosses path.

By day, Carlotta spins stories. By night, she serves drinks. Her life was simple. Until her good-for-nothing brother offered her as collateral to pay off a massive gambling debt to a ruthless underground casino. Now she's the reluctant fiancée of a powerful mafioso rumored to have a cruel streak... and a bedroom secret that's the talk of the criminal underworld: erectile dysfunction. Carlotta would've found it funny if it weren't her life on the line. To make things worse, fate throws in another complication: her dangerously attractive new driver-slash-bodyguard. With abs worthy of a thirst trap and a face that screams "Asgardian demigod". He's the kind of temptation a woman in her situation absolutely does not need. Just when she thinks it couldn't get more absurd, her cold, mysterious fiancé summons her to his penthouse suite with one chilling demand: He wants a taste of what's been promised. Her.