Underworld Fanfiction Crossover Novels & Stories

Synopsis: After sacrificing her own life to save a young billionaire, Anne became the wife of Edric Raymond overnight. However, it was only a loveless contract marriage that would last two years, just until Edric’s ex-girlfriend returned from studying abroad. Anne thought she could melt Edric’s cold heart, but all she received was icy resistance and words that pierced her like knives. One passionate, mistaken night gave Anne a spark of hope, only for it to be crushed when Bella, Edric’s ex, returned the very next day. Anne gave up, signed the divorce papers, and disappeared. Unexpectedly, a car accident brought back the memories Anne had lost for three years! From that day on,

Lucien Valez, billionaire CEO of Valez International and secret money launderer for the world’s most dangerous cartels, isn’t used to mistakes. But when a cartel’s heiress, Elena Ramirez, vanishes with $20 million in product, Lucien needs leverage to save his own life. His solution? Kidnap Cassia Monroe, Elena’s quiet best friend from school. A gifted violinist with no ties to the criminal underworld, Cassia is suddenly pulled into a game where love and survival are equally dangerous.

Alyssa is an assassin who works for the Bloodthorn Organization. She finds herself caught between two secretive underworld organizations and is given a crucial mission to infiltrate the Devon family, a wealthy and powerful elite family. Unbeknownst to the public, the Devons are actually in charge of the Shadow organization, a dangerous Mafia group that operates underground. Alyssa's mission is to pose as the perfect daughter-in-law of the Devons to gain access to their secrets. However, things take an unexpected turn when she becomes involved with the youngest heir instead of the intended target, the leader of the organization.

Tessa, known as Phantom Reaper, is a female assassin, the best of the best in her trade. Phantom Reaper is known for being a cold, calculating, untraceable, unfeeling, and ruthless assassin in the Underworld society of discarded criminals. This novel depicts her in first person narrative as we discover her past and follow her through an unforeseen encounter that changes her life forever in ways she never dreamed were possible. The Phantom Reaper contains violence, murder, and sexually explicit content, so read at your own risk.

When her village is destroyed by corrupted magic, she’s offered protection under one condition: marry Lucan Rhyst , the cold, enigmatic Alpha of the Emberfall Pack. Alina, is an orphaned healer with dormant magical blood. She is forced to marry the cold and ruthless Alpha of the Emberfall Pack and everything within her rebels. Especially because her heart already belongs to someone else—a forbidden someone. But when she learns she is a vessel for a long-lost magic that could tear down the veil between the two worlds, the lines between hate and desire blur. Lucan, Alpha by blood but cursed by prophecy, rejected his mate years ago to protect her from the darkness clawing at his soul. B

DEATH GETS A LOVE LIFE. "I accept," I say all at once and then lower my eyes shyly. "If you think my human body can serve as a substitute for her and fill your hunger, I'm willing to take that chance." The feeling that I recognize in his eyes is one of shock and even fear, as though he hadn't expected at all that I'd agree. "Let's do it," I whisper across the gap between us. **** When metalhead Janet Buenviaje dies in a diving accident, she falls into an underworld prison where the only way out is through an eccentric reaper named Septimus Rex. As monarch of Soul City, Septimus Rex leads an army of supernatural Ravens tasked with the deportation of overstaying souls fro

When war orphan Alexei Volkov flees Russia to Belgium, survival means stealing scraps until a mob nearly burns him alive. Rescued by Lucien Devereux, the ruthless Capo of Brussels’ underworld, Alexei is thrust into a world of blood, secrets, and power. Trained as an assassin and spy, he becomes indispensable—until a mystical ring from his uncle in India makes every man who sees him fall hopelessly in love. Soon, the Capo, the Mayor, the Police Inspector, and even the Governor crave for him. Is it love or a curse? And in a city drowning in obsession, who will Alexei choose?

In the vibrant futuristic city (2243), Where magic, vampires, shapeshifters, and humans coexist... Follow Raven, who grew up in an orphanage. She is now a powerful Shaman and owner of the exclusive club "Illusions," as she finds herself drawn to Kieran, the playboy billionaire son of the debonair Vampire King Niklaus De'Lacroix But as their passion ignites, questions arise about whether Kieran is truly her mate, or if their love is doomed by fate when Shade Marcus, a malevolent demon, Who has an unquenchable sexual obsession with Raven Tragedy strikes when Lyra, Kieran's sister and a cunning vampire, falls victim to Shade Marcus's cruel vengeance, poisoned by a Satanic hex that slowly

*TWIN TORMENTORS BOOK 2* After suffering and being tortured both mentally and physically by her obsessed childhood friends who turned out to be the mafia lords, Leigh-Ari Montreal finds her dragged deeper into the underworld rivalry with none but the twins’ longtime foe, who is much more retarded and ruthless than the twins combined. Living a new fabricated life with a new identity provided by her captor, she is bound to do whatever he demands, and that the fate of everyone from her ‘other life’ depends all on her action.

Arka Mahendra, a former Special Forces General, returned to the city carrying wounds and a buried past. To save the only family he had left, he accepted a contract to become the personal bodyguard of the most powerful woman in Mahatara City. What no one knew was that the man they hired for protection was the storm itself. As hidden forces began to emerge, enemies from the corporate world and the underworld started moving in the shadows. Bound by a two-year contract, Arka Mahendra was forced to make a choice, remain a weapon for hire, or once again become the ruler of the battlefield feared by all.