Best Sci-Fi Web Novels Free Online

In this billionaire romance novels entry, Jason returns to his wealthy family in The Abandoned Long-lost Son only to be replaced by an impostor. Ignored by his parents and fiancée, he joins a secret space mission. This mystery story follows his escape and the family's sudden, desperate search.

In the sci-fi thriller AI Sees All, top salesman Nathan Gray faces a dystopian workplace when a new HR director installs invasive AI monitoring. To save his mother, Nathan must navigate a system that fines his every breath, unaware that he is the one who built it. Read this mystery story online.

After five years on a secret space mission, Mavis returns to find a viral post: her husband Julian has declared her dead. In the gripping modern romance novel and mystery story My Husband Faked My Death While I Was Saving the World, she must uncover why he lied and claimed they have a child.

In the chilling sci-fi romance novel To Calibrate a Dying Heart, a woman is forced to wear an agonizing emotion-suppressing bracelet by her billionaire partner, Caspian. Deemed a defective program, she endures torture in the name of synergy—until a fatal malfunction pushes her to the brink.

On her seventh anniversary, Camille learns her husband Luca divorced her years ago to marry another woman. In this gripping modern novel, she vows to disappear forever. Read I Was Married to a Man Who Already Had a Wife, a thrilling billionaire romance novels release filled with mystery.

In Reborn And Remade: The Exiled Matriarch, Kiana transmigrates into a wasteland death trap. To survive this fantasy novel, she must use her Spatial System and modern powers to heal her broken husbands, cure chronic poison, and rewrite the rules of a savage tribe in this romance story.

Arlena wakes one month before the apocalypse—and remembers dying. When her family tries to force a marrow donation again, she fights back, escapes, and races to unlock her grandfather's hidden pocket dimension. This free web novel blends fantasy, horror, and action as she builds a fortress for revenge.

In the romance novel Divorce Day: My Husband Found I Was an AI, a neglected wife endures three years of her billionaire husband's cruelty. When he finally refuses a divorce, a power surge reveals her mechanical secret. As he faces a robotic double, the real woman starts a new life. Read this sci-fi novels hit now.

Feeding Me to the Zombies is a gripping horror novel where a wife must survive a zombie apocalypse and her husband’s betrayal. After Hans Luketon sacrifices her for his lost sweetheart, she wakes up in the past. Read this web novel to see her fight for survival and change her fate.

Maya Cross wakes in a villain's body, bound to five beastmen she tortured. To survive a dying ship and Zerg swarms, she must free them—but can her victims ever trust their tormentor in this fantasy adventure novel?

Betrayed and shoved into a zombie horde, Elena dies—then wakes 90 days before the apocalypse with a Survival System. She builds an unbreakable fortress, and the ex who killed her comes begging for shelter in this action-packed sci-fi horror novel.

In the sci-fi romance The Robot Wife He Never Knew, a dying inventor replaces herself with a bionic replica. Ethan tests his submissive wife with jealousy, but a violent confrontation reveals the truth. Read this modern novel to discover the cost of his discovery.

In the sci-fi web novel Three Years Later, They Finally Regretted It, a girl is replaced by an AI and sent to a reform academy. When her family returns years later to reclaim her, they discover a mystery story where their daughter has become Unit EVA, a machine requiring an activation command.

In the sci-fi mystery The Hidden Chip in the Martyr's Bones, a specialist joins a classified experiment to save her infected family from a deadly virus. Read this free web novel online to discover the dark price of a miracle cure when the protagonist loses her voice.

In the sci-fi fantasy Born to Stand Trial: My Parents vs Me, Emma and Ethan enter a high-stakes rebirth trial after a fire. To wake from their comas, they must secure votes for a new life. Read this young adult mystery to see if Emma can survive her parents' final judgment.

In the sci-fi romance novel Three Years Too Late My Fiancé's Secret, Sarah James’s life shatters when online strangers from the future warn her against marrying her childhood sweetheart. To solve this mystery story, she must uncover a devastating betrayal before it destroys her.

In the mystery novel The Third Year After My Death, a scientist betrayed by her fiancé and his lover is erased from history. After three years, her frozen remains are found, exposing the truth. Read this web novel for a gripping tale of betrayal and sci-fi intrigue.

In the sci fi romance novel My Hsband Chose Bionic Human Over Me, Jessica's wedding day turns to ashes. After learning her husband Liam fell for her own bionic replica, Jeje, she calls off the wedding. Now, she has seven days to erase her identity and escape Jorwick forever.

Lyra Vance built Julian Cross’s music empire as a ghost-singer, only to be imprisoned so he can promote his tone-deaf mistress. After Julian destroys her vocal cords and causes her sister's death, Lyra crafts a final symphony embedded with a digital payload to expose his crimes.

In the gripping young-adult web novel Betrayed Before the Exam, Saved by My Future Self, Stella is visited by a dying future version of herself in the mirror. The warning is clear: do not help her childhood friend cheat. When his text confirms the setup, a terrifying reality begins.

In the sci-fi LitRPG novel Unholy Player, former serial killer Adyr seeks a quiet life on a parallel Earth. But when a gene-mutating VRMMORPG unlocks a secret fifth path of evolution, his buried bloodlust awakens, transforming him back into a terrifying monster.

In the cybernetic underworld of Kairox, Zero is done taking a bad hand. Packed with grit, Humanity.exe is a gripping sci fi novels entry and mafia novel where one man fights to control the city's illegal tech. Experience a thrilling adventure story of street-level ambition and cybernetic evolution.

In the billionaire romance novel His Unwanted Wife Is A Top Scientist, Dr. Patterson abandons her role as a submissive spouse after discovering her husband's betrayal. This modern novel follows her mission to reclaim her power and initiate a high-stakes divorce fraud sequence.

After five years as Julian's secret wife and tech genius, Clara Hayes is publicly humiliated and branded a stalker. When her husband steals her patents to marry an heiress, Clara aligns with his greatest rival to dismantle Julian's empire and reclaim her stolen legacy through cold revenge.