Underworld Fanfiction Crossover Novels & Stories

Aiden, the kingpin of the underworld, gets a reunion invitation from high school. He chuckled, and then his brothers took Isabella's name, who is Aiden's ex-girlfriend and once used to be their best friend too. But as the power comes in a way, Aiden and his brothers think Isabella is not equal to them, so they throw her away, and now here they are again, going to meet their past again. But Aiden knew she was still the same, weak and soft. But neither he nor his brother is ready for what is coming.

A world which nanobots can repair the human body. Landed in the hands of the most cunning and devious underworld king. Many have died attempting to steal it, but only one has survived because the ruthless leader was smitten by her beauty. The intention was to live an easy, uncomplicated life away from the violent world of black market. Carly is the muscle on the field work while Baby is the brain in the backroom in charge of hatching plans. The Belle sisters are their alias names. Both are equally lovely. They're known for being the best at locating and hacking jobs for various black market organizations. They were duped into stealing from Charles. Charles is a man who is tag

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.

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.

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

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.

*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.

#DarkRomance #PossessiveML #SecretAgent #CrossDressing #LoveTriangle #CEO/ Hyunshin, a cross-dressing secret agent, has crawled through the mud of the underworld just to survive. But the moment her identity is exposed, she is captured by two powerful men ruling from the absolute top of wealth and power. One is a ruthless ruler burning with madness and possessive desire to claim her. The other is another breathtakingly beautiful villain, holding her hand in a dangerous game of deception. Beneath the shadows of espionage, a thrilling, high-stakes love triangle ignites with raw obsession and jealousy. In this unforgiving war of hearts, she is about to be consumed by their maddening love.

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?

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