Undertale Nightmare Novels & Stories

Raegan Denise Cristobal thought she had found the ideal man, until his love turned abusive, leaving her bruised and broken. Having finally had enough of the pain, she turns to her sister for a lifeline. With her sister's help, Raegan flees the city and finds herself hiding in an unfamiliar, quiet place called Sitio Maligaya. There, far from the terror of her past, she crosses paths with Dominic Traise Rosario. Dominic is everything her ex-boyfriend was not: gentle, steady, and protective. But underneath his calm exterior lies a dark past and a heavy regret that haunts him to this day. As their lives intertwine in the serenity of the countryside, an undeniable bond begins to grow. Dominic becomes her unexpected knight, guarding her fragile peace. But just as Raegan dares to believe in love and healing again, her worst nightmare returns. Her abusive ex-boyfriend tracks her down to Sitio Maligaya, ready to terrorize her once more. With danger looming, will Dominic be able to save his duchess, or will the ghosts of both their pasts destroy their chance at a new beginning?

When Vivian’s parents died in a tragic accident, her world was shattered. Orphaned and alone at eight years old, she was sent to an orphanage, where her once bright life turned dark, and everything she knew began to fade, including her memories of Jack, the boy who once held her heart. As she approached her 18th birthday and the chance to leave the orphanage behind, Vivian was unexpectedly adopted. But her new life quickly became a nightmare when she was forced to assume the identity of the family's deceased daughter. Bound by secrets and trapped in a role she never chose, Vivian's life spiraled into a web of lies and manipulation. Then, by a twist of fate, she crossed paths with Jack once more. But after all these years, would he still recognize her? "Would she be able to free herself from her new family, or would she be trapped there forever? A story of love, betrayal, romance and suspense. The Billionaire Deception is a gripping and intriguing read that will keep you on the edge of your seat until the final page.

For eighteen years, Amara Kings has been nothing more than a ghost—a forgotten heir locked away in secrecy. On the night of her long-awaited debut, she senses her fated mate among the guests. But her dreams of love and freedom shatter when Alpha Elias Beaumont, the man destined to be hers, publicly rejects her and claims her sister, Kamla, instead. Betrayed and heartbroken, Amara swears Kamla will not get away with her deception. But when Kamla is found murdered that same night, all eyes turn to Amara. Branded a jealous killer, she is thrown into a nightmare of torture and humiliation at the hands of the mate who once denied her. But Amara is no ordinary wolf. As darkness rises and buried secrets unravel, she discovers a power within her that could reshape the entire werewolf world—or destroy it. With enemies lurking in the shadows, an obsessed Alpha vying for her heart, and Elias desperate for redemption, Amara must decide: will she seek vengeance, claim her rightful place, or carve a new destiny of her own? The truth was never meant to come to light. But now that it has, the world will never be the same.

was sixteen years old when he was first killed; when he stood on Matthew's chest, his best friend, blood spurted from all over their bodies so that it was an exhausting and even battle between them until Matthew at last gave way to victory. Jaden breathed out, feeling the fires of hell all around him. His palm shook over the sheath of his sword, recalling that nightmare that steals sleep from his eyes: the moment he was kneeling on Matthew's chest, raising his rusty dagger, reluctant to take his soul, his eyeballs shaking turbulently and his chest rising and falling at an exhausting pace, and Matthew grabbed his trembling palm and led him towards his chest containing the dagger. Empty not to retreat, not to coerce and relieve him from his hell, but to kill him and prove to everyone that he will no longer be the prey. On that day, everyone around him was waiting, waiting for him to retreat in order to pounce on them, the mighty king's monsters, who made a vow to himself to turn his life into hell from the moment he was born and did the most heinous things.

"You think I chose this?" he growled, voice low and rough against her ear. "I was sent to destroy you, Aurelia. But I marked you instead. You're mine now—and there's no undoing that." Aurelia's world shattered the day her mother and brother died. Moving to a new city was supposed to be a fresh start, but it only led her into the arms of a monster. Abaddon Black is cruel, untouchable, and devastatingly magnetic. Everyone fears him. No one dares cross him. And somehow, he's chosen her. What begins as blackmail becomes something darker, something that feels a lot like obsession. She hates him. She wants him. And when he finally saves her from a nightmare she never saw coming, she learns the truth: he was never just a boy. He’s a vampire—ancient, powerful, and bound to her by blood. She is his mate! Worse, her own father betrayed her to the very creatures who killed her family. Now, trapped between a dark love and a twisted legacy, Aurelia must face who she truly is and what it means to be Abaddon’s girl.

‎ ‎“Lyra, what are you?” Kaely’s voice shattered, stepping back as Lyra hovered, power crackling through the air. “This isn’t possible you’re one of them!” ‎“I don’t even know what I am!” Lyra cried, trembling midair. “But I am not your enemy!” ‎“You’re a Moon Caster,” Kaely snarled. “And I will hunt you like one.” ‎ ‎•••••••••• ‎ ‎Twenty years after the Lunar Reversal shattered the world, Lyra’s dream of belonging turns into a nightmare when Kaely her fated mate becomes her executioner. Branded an abomination, Lyra must survive a brutal wasteland while unraveling the truth of her forbidden power. ‎ ‎Alongside Cassian, a rebellious shifter who challenges everything she believes, and Milo, a mysterious hybrid who mirrors her curse, Lyra confronts a haunting reality: the bond meant to complete her is destroying her. ‎ ‎This gripping tale subverts classic shifter romance, blending betrayal, survival, and identity into a dark, emotional journey where the heroine is the very monster her world fears. ‎ ‎Will Lyra master her power or be consumed by it? ‎Can she break the bond before it leads her to death?

Eliana Hunter was the perfect Luna to Lucas Williams, her husband and the alpha of the pack until he betrayed her with his stepsister, framing her for stealing from the Lycan King, and left her to bleed out and die while pregnant. But fate had other plans. When Eliana wakes in silver cuffs at the Lycan court, bruised, broken, and sentenced to death, three powerful Alpha brothers interrupt the execution. Not to save her, but to claim her. Axel, Damon, Rylan, the three billionaire triplets were every woman’s dream yet every person’s nightmare, and they were her new mates. But there’s a catch: they already have a mate and Eliana must survive the brutal Luna Trials to earn her place. Trials that killed the last two women who tried. As secrets unravel and passions ignite, Eliana discovers a cursed mark on her skin, one that ties her to an ancient prophecy and a bloodline long buried. As Eliana tries to win the trials and possibly get back her pack, she must strive with everything in her while she surviving enemies that were struggling to see her downfall.

Crescent Cove: Where the Tide Brings Death Gabe Mitchell once wore a badge with pride—until the night everything was ripped from him: his career, his marriage, and nearly his sanity. Now working as a private investigator and nursing an old bottle of whiskey, Gabe finds himself dragged back into the shadows of law enforcement when a series of brutal murders rocks the quiet coastal town of Crescent Cove. The victims? Teenagers. The method? Slashed throats, hollow eyes. And the message? Always the same—“The Rip” scrawled in blood near the bodies. But when the latest victim turns out to be one of his son Nick’s closest friends, Gabe is forced to confront the nightmare head-on. Each death brings the killer closer to Nick—and the line between man and monster grows harder to see. The deeper Gabe digs, the stranger things get: whispered legends of an ancient sea demon, occult symbols etched into driftwood, and eyes watching from the waves. The truth may not just threaten his son’s life—but the soul of the town itself. Now Gabe must uncover the darkness hiding beneath Crescent Cove before the tide rolls in again… and takes Nick with it.

Sylvie’s life became a nightmare after her mother’s death. Her father brought home his mistress and her daughter, who treated Sylvie like a servant and constantly humiliated her. The only person she believed loved her was her boyfriend—until the night she discovered the horrifying truth. Hidden in the shadows, Sylvie overhears her stepmother and stepsister confess that her mother didn’t die from illness… she was poisoned. Even worse, her father knew the truth all along. As if that betrayal wasn’t enough, Sylvie’s boyfriend reveals he has been secretly involved with her stepsister. Surrounded by lies and cruelty, Sylvie loses everything in a single night. But death is not the end. Sylvie awakens in a new life filled with power, wealth, and hidden secrets. At the center of this new world stands the most feared man in the city—a ruthless billionaire CEO and the Alpha of a powerful wolf pack. And Sylvie is his fated mate. This time, she will not be weak. With a second chance at life, Sylvie is determined to rise, grow stronger, and make the people who destroyed her in the past pay for their sins.

Two years ago, I gave my virginity to the one man who was completely off-limits: Miles Thompson. My best friend’s older brother. The arrogant playboy who knew exactly how to get under my skin. We spent years pretending we hated each other, trading insults and avoiding the undeniable tension between us. Then came Greece. One reckless night changed everything. The next morning, Miles made it painfully clear that I was just another mistake he wanted to forget. Two years later, I moved to a new city determined to start over—only to discover that fate had a cruel sense of humor. Miles was back in my life, living just a few doors away, and the feelings I thought I'd buried came rushing back stronger than ever. But when a dangerous stalker begins turning my life into a nightmare, the one person I can't seem to escape becomes the only person I can trust. The closer we grow, the more secrets unravel. Because Miles is hiding something that could destroy us both.