After supporting her fiancé Lucien for ten years, Selene is betrayed when he abandons her for the empire's only princess, who massacres her family on their wedding day. Reborn at the moment of their broken engagement, Selene binds to the Fertility System for the Tyrant, saves the childless Emperor, and bears his long-awaited heir. When the princess attacks again, the Emperor shields Selene and declares, "Show your Mother some respect!"
Betrayed and burned to death by her fiancé Lucien and Princess Lyra on her wedding day, Selene sacrifices her soul to be reborn on the day Lucien comes to cancel their engagement. Activating the Tyrant Fertility System, she’s determined to exact bloody revenge.
Reborn with the Fertility System to avenge her slaughtered family, the protagonist confronts her ungrateful fiancé Lucien. He dumps her for a princess after becoming Imperial Scholar, and she agrees to end the engagement while demanding he returns all her family's past support.
Reborn Selene returns to the moment she cuts ties with her ungrateful ex-fiancé Lucien, thrilled to find her family alive. Determined to avenge their past-life tragedy and safeguard them, she gets a system prompt to rescue the injured tyrant Adrian—her only shot to meet the emperor.
Guided by the system, the host discovers the unconscious Emperor Adrian behind a boulder. When Adrian drowns and his vital signs drop rapidly, the host performs CPR to save his life. As Adrian wakes, the system suggests activating Charm Mode to leave a lasting impression. Adrian shares he was attacked by bandits and fell off a cliff, then asks for a place to recover, which the host kindly offers.
The female lead activates her Charm skill, then accidentally bumps into an injured man. She offers to treat his wound carefully, and the system confirms the skill succeeds as the target's heartbeat rises. She plans to use his growing affection to enter the palace and take revenge sooner.
The female lead uses a self-inflicted burn as a sympathy ploy to gain Mr. Adrian's care. When he shows worry about her injury, she tells him she was abandoned by her fiancé after he became an Imperial Scholar, and Adrian comforts her.
Abandoned by her Imperial Scholar ex-fiancé, Selene saved a man who grows to cherish her. When her rude ex shows up to cut ties, Selene panics, scrambling to hide her rescuer to avoid more malicious rumors that could destroy her reputation.
Lucien confronts his ex-fiancée, accusing her of hiding an older man and easily agreeing to end their engagement for him. The mocked man retorts, sparking a fiery argument that turns physical. Lucien, brandishing his new Imperial Scholar title, demands their arrest—until he’s stunned to learn the "old man" is none other than the Emperor, who steps in to assist the woman.
Having hidden her identity, Selene rescues the injured emperor and is appointed Royal Consort. Princess Lyra insults her and defends the punished Lucien, while Selene secretly vows to make them repay past-life blood debts tenfold, sparking tense royal clashes.
When the Emperor decides to make commoner Selene his Royal Consort, Princess Lyra fiercely objects, dismissing her as a mere plaything. Selene refuses to be discarded and asks to leave, but the Emperor stands firm, ordering Lyra to address her as Mother Consort. Selene secretly vows revenge for her family's slaughter by Lyra in a past life.
The king initially intends to exile Lucien, but the princess pleads to keep him as her advisor, resulting in him losing his imperial scholar title. Meanwhile, a vengeful rival of Royal Consort Selene plots to ruin her purity to strip her of her position, sparking intense, gripping drama ahead.
Newly arrived as one of the Four Consorts, Selene learns the harem is run by High Consort—mother of arrogant Princess Lyra she holds a grudge against. Fearing retaliation, she uses a system's charm boost, wowing the emperor on their wedding night to gain his favor.
After learning the Emperor’s infertility stems from a toxin, the protagonist gets the system to cultivate his embryo. She shares tender moments with the Emperor, who arranges support for her upcoming visit to High Consort. She also secretly lays plans against High Consort and Lyra, stirring up intriguing suspense.
Princess Lyra is enraged by Selene, a consort who seduced her father and led to her public scolding. She schemes to torture Selene, with her ally affirming her destiny as the empire’s future ruler. Courtiers discuss her upcoming crown princess title, while an advisor urges her to win subjects’ hearts—all as Lyra’s trap for Selene is set.
Selene faces ruthless schemes from enemies who want to ruin her reputation using a strong aphrodisiac, even plotting her violation and blaming her for lost honors. With her system’s warning, she discovers the drug, confirms her unborn baby is unharmed, and decides to let the Emperor witness her foes’ downfall as they dig their own graves.
The Emperor arrives at Ivory Palace looking for Selene, who's said to be changing in the side hall. A royal member blocks him from searching, citing assassin risks, while strange suggestive sounds from the hall stoke tension, hinting at a plot targeting Selene.
Selene is drugged and trapped in the Ivory Palace, enduring unbearable heat as she begs for help. The emperor arrives just in time, seals the palace, summons the imperial physician, and swears to hunt down the culprit. A hidden plotter seethes over the failed scheme, hinting at more twists ahead.
Greta confesses to poisoning Lady Selene out of jealousy over her favor. The Emperor orders her execution and punishes Lady Lenora. Lenora's daughter tries to kill Selene but is stopped; they decide to seek help from the doting Grand Queen Mother for revenge.
Princess Lyra complains to the Grand Queen Mother, accusing Lady Selene of bewitching the King and getting her mother punished. The Grand Queen Mother summons Selene to teach her a lesson, but Selene arrives confidently with a secret gift and the King's backing, sparking a tense confrontation.
Selene is violently assaulted by someone accusing her of seducing the Emperor and bringing punishment to his mother. With a system safeguarding her unborn baby, her maid Lily hurries to the Royal Study to beg the Emperor for help, only to be blocked by guards before the Emperor orders Felix to check the commotion.