Underworld Fanfiction Crossover

One kiss saved his life. Another might destroy them both. Camilla, a talented pastry chef with a troubled past, never imagined that a chance encounter at a costume party would entangle her with Alessandro, the city's most feared mafia boss. As their worlds collide over cupcakes and gunshots, they find themselves drawn into a dangerous dance of secrets and desire. But when Alessandro chooses love over family legacy, the delicate balance of power in the criminal underworld begins to crumble. Now, with enemies closing in from all sides, Camilla must decide: Will she betray the man she's grown to love, or risk everything to save him in a world where trust comes at a deadly price?

After Olivia lost all that she has from the ill-willed people around her, she felt betrayed and lost her faith in everything. She wanted revenge, so she prayed to the gods of the underworld to help her using an incantation she found in the attic of her childhood home. But what she got is not what she asked for. Instead of getting the revenge she wanted, what came to her is a devilishly handsome man named Azazel, who claims to be a Demon Prince. The man promised that he will help her with the vengeance she wanted to happen, but in return, she has to bear him a child. Desperate, vengeful, and filled with anguish, Olivia agrees to the deal, sealing her destiny as the demon’s mate.

Daisy Moore, a chief female intelligence officer, despised by even the gangs of the underworld was sent on a special mission that led her directly into the arms of the mafia king himself. Nicklaus Wesley, the most affluent business tycoon, the youngest CEO dominating the industry and… the most vicious monster there is. With the presence of a king and the aura of the devil himself, the entire world dreaded the mere mention of his name. But, what will happen when a certain girl stumbles into his life hoping to expose his deeds? And what if she was just as capable as he was? Will he be drawn to the skilled beauty? Or would he rather annihilate her? When her true identity is finally revealed, will they be able to find love as sworn enemies? Or are they destined to be nothing more than secret admirers?

Mason Smith, the self acclaimed king of the underworld simply got so much in his hands when he decided to attack Annie. He tried so many ways to get to her, but seemed to be getting nowhere near her. So he decided to employ assassins with magic, to do the job. When Aiden Kurt, an assassin, meets Annie Charlie, a woman he was contracted to eliminate, he did not just find out a secret that Annie had kept safe from the world. He also found out that somehow, he had fallen madly in love with her, but Annie would prove to be a very hard nut to crack. What lengths will Aiden go, to claim his addiction? Let's find out.

“Marry me Giselle.” He breathes into my neck. “I can't, you belong to another Romero.” I whisper. Giselle Gilmore, a girl whose past has been turned upside down in a life of crime and violence gets involved with Romero De La Rosa, the most feared and powerful Mafia Lord and becomes too attached to his daughter Lauryn De La Rosa. When she gets a chance to reunite with the family, a long time family alliance made with another Mafia family engaging Romero De La Rosa to another woman in marriage appears and any bridge of the arrangement will lead to the biggest war ever witnessed in the underworld. Will Romero De La Rosa bend backwards to the underworld rule or will he fight for his love.

Growing up, Guinevere had no parents. She suffers from her aunt’s mistreatment. However, everything will change when she turns 18. A beautiful stranger appears in front of her door and says he is taking her. She knew she should run as far as she could but the man tells her that he owns her. Being sold to someone you don't know is one thing. Realizing that the one who bought her is not human is another. Because he is a devil. A beautiful temptation. Will she be able to run from this mad arrangement? Or will she be trapped in a dangerous game with him? In the underworld, watch how Guinevere discovers the truth about herself and succumbs to the slavery of a different kind.

"I don’t know who you are but… wait, what are you eating? Why are you not sharing it, ah? Do you treat this big sister as a stranger?" One of the most powerful and devilish beings in existence wakes up in a body of a little mortal girl in a humble place that's a far cry from where she came from. After thousands of years of waiting for reincarnation... seems like even the underworld had kicked her out for all the troubles she caused. But why didn't they put her soul into an immortal's body?! Well, beggars can't be choosers. She would just have to cultivate back to the peak. Watch as she tries to keep herself from destroying the world... try being the keyword.

Israel is the youngest billionaire and mafia boss. He rules the underworld organization with his title 'The Little Mafia Boss'. After his parents died at a young age, he was forced to replace his father's role as a CEO and a leader as young as 18 year-old. He was a good kid, Israel. But he never thought that by the time he turned 18, feeling miserable and hopeless after his mother's death, his 18-year-old experience was beyond his expectation. At 18, he became an official orphan, he had his first experience of getting wasted by alcohol and drugs, and he even had his first one night stand with a part timer, Amelia. What will happen if five years later, they meet again?

Elena; No one who dared to mess with him lived to tell the tale. Angelo Fabian. Lord of the Underworld and the most dangerous Mafia Lord in the country. But somehow my father did. What's worse when I was offered to him as his plaything, his sexual toy, an experiment to fulfill all his sexual urges. I never knew my life could turn out to be more than the shit show it already was Angelo: In my world, traitors and snitches are a deadly sin. Unforgivable except through death. Until I met her, she was a perfect collateral for my stolen money and I plan to keep her, especially because she was proof that I can still perform and get aroused as a man.

Cassie Reed never imagined that a routine day at college would end with her being kidnapped by a ruthless mafia boss. She’s thrown into a dangerous world she doesn’t understand—one ruled by Luca, a cold and powerful man who claims she holds a secret worth killing for. Forced to live as his secret roommate, Cassie is trapped in a shadowy underworld where every move could mean life or death. Luca is controlling, mysterious, and infuriatingly distant. As threats from rival families close in, Cassie must unravel the truth behind her father’s hidden past and the secret slush fund that could destroy them all. He says keeping her close is for her protection. But Cassie wonders… is she his prisoner—or his greatest weakness?