Underworld Fanfiction Crossover

Arianna Draco, a 22-year-old orphan, is barely surviving under her uncle’s crippling debts. Desperate, she takes a job at Arthdal Strike, Thania’s infamous strip club and secret underworld empire. There, Damon Dark—a werewolf Alpha with a dark past and a brutal reputation—takes an interest in her defiant spirit. When she refuses a patron’s humiliating demands, Damon steps in, offering her a contract she can’t refuse. Though wary, Arianna accepts, only to find herself drawn deeper into Damon’s violent, complicated world. Unknown to Arianna, she and Damon share a hidden bond as mates, a connection that only intensifies as her own suppressed powers begin to awaken. She learns of her lineage as the last of the Luna Supreme Pack, a bloodline Damon’s father tried to destroy. While Arianna grapples with her true nature, Damon’s twin brother, Dominic, reemerges, seeking to tear down Damon’s empire and claim Arianna for himself. Caught between two powerful Alphas and her growing attraction to Damon, Arianna must uncover the truth of her past and fight for control over her destiny—before the forces around them tear them apart.

“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.

In the shadowy depths of Italy's criminal underworld, Lucas Firmino is well known for being ruthless. Feared by all rival mafias, he eliminates threats without hesitation and acknowledges no authority. Successfully reclaiming his seat as the tough mafia boss, Lucas is a force to be reckoned with. On the other side, Camila is a committed carer, willing to go to any lengths to protect her baby brother, Camillo. Her sole aim is to ensure his happiness, and she remains resolute in her commitment, even if it means sacrificing her own well-being. Caught in a complex web of loyalty and betrayal, Camila's world is upended when her father, known as Papa, engages in concealed dealings that lead to her being pushed into an arranged marriage with Lucas. The unexpected union between Camila and the ruthless mafia boss sets the stage for a tumultuous journey. As Camila steers the disloyal waters of her forced union with Lucas, the promise she made to protect her brother hangs in the balance. Will she find a way to uphold her commitment amidst the chaos, or will Lucas's influence force her to break the very promise she made to protect her brother? Find out more in the story.

“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.”

"Run all you want, little wild rose… but you’ll never escape me." Nirvana’s life was supposed to be simple…until betrayal sold her to the devil himself. RAyNe St Trinity is cold, cruel, and untouchable, a man who rules the underworld with blood-stained hands and an unforgiving grip. Now, she’s his possession. A pawn in his ruthless game. She resists. He enjoys the challenge. She begs for freedom. He tightens his hold. But as the lines between obsession and desire blur, Nirvana realizes escaping RAyNe isn’t just impossible…it might be the last thing she wants. And when danger closes in, she’s forced to ask herself the one question that terrifies her most… What if the man she fears is the only one who can save her?

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 from the mortal realm. But the fates smile on Janet because the head reaper has problems of his own. He has fallen in love with a mortal girl; an abhorrent sign of weakness that, if discovered by the Ravens, will start a power struggle in Hell. With Janet's help, Septimus must now attempt to confess his feelings to the girl of his dreams so he can go back to being devoid of human sentiment. Janet is reincarnated as a Wampus Cat reaper and hatches an escape plan to the surface world. But she finds that things in the underworld are not what they seem and Septimus's problems run deeper, somehow even linked to her own mysterious past.

Aidan Allesia Moretti, the youngest daughter of the head of Moretti family was my key to revenge. Her parents had taken everything from me and now I was going to take everything right back. Starting with their youngest child, their golden girl. Only by the time I am finished with her she won’t be so golden. I plan on owning her, using her and leaving her broken. Let them pick up the pieces, just like they had forced me to but things are moving in the underworld and new threats are looming. Threats that not even the combined power of the Mafia and Bratva can survive. When it comes down to it, what side will I choose? To take down the Moretti family, how far am I willing to go? (This is a next generation story, but you don’t need to read the original 3 book series to enjoy!)

In this dark MxM romance of control and chaos, love is just another weapon — and surrender might be the deadliest sin of all. He hacked the wrong wallet. Now he belongs to the man who owns it. Noah thought hacking a Bitcoin account would be a joke. Lucien Valez, the psychotic king of the underworld, didn’t find it funny. Instead of killing him, Lucien makes him a deal: work for him… and live. But submission comes with a price — and soon, Noah isn’t sure if he’s a prisoner, a weapon, or the obsession of a man who doesn’t know how to love without breaking things. Dark. Twisted. Addictive.

Cleo Benson’s world is shattered in an instant when she loses her entire family in a tragic accident. But as the grief takes hold, a darker reality emerges. Cleo is thrust into a deadly underworld as collateral for a debt she never knew existed. Enzo Russo, a cold and calculating mafia kingpin, offers her a twisted deal: 12 months as his bride, and then her freedom. Determined to survive and seek revenge against those who betrayed her, Cleo plays along with Russo’s dangerous game. But as she navigates this ruthless world, she finds herself drawn into a deeper conflict; one that pits her need for vengeance against the unexpected pull of her own heart. Will Cleo reclaim her life, or will she be swept away by the dangerous allure of the man who holds her fate in his hands?

In a world where Vampires were being outlawed and ruling everything via the underworld without showing their presence. One day a college girl, who has a big responsibility to save her mother from an incurable disease and also get revenge on her father who is the reason for her tragic life. Also, the only chance she has right now is to become an officer in the Anti-Vampire Outlaw organization and kill the Vampire King Count Dracula and also help her mother from the incurable disease. And on the other hand, the Vampire King falls in love with the protagonist Elle Mona. While the story goes on things get so twisted and suspenseful with some Romance I hope you readers would enjoy it...