Mistaken Identity! He's Not the Male Lead—He's a Deranged Demon!

Ji Xueli transmigrates into a novel she does not recognize, inhabiting the body of a woman who was once the male lead's "white moonlight" before abandoning him. Bound to a malfunctioning "Villainess System" that lacks basic data about the story, she must navigate a world where she is destined to be the antagonist. Her mission is to climb the social ladder, but her immediate goal is to identify and reconcile with the male lead to avoid her character's tragic fate. At an aristocratic yacht ball in Huacheng, the system directs her toward a cold, aristocratic man named Duan Qingyu, whom it identifies as the protagonist. However, Ji Xueli is unaware that Duan Qingyu is not the original male lead of the romance plot, but rather a powerful, enigmatic figure from one of the four major aristocratic families who rules the Shangjing District with an iron fist.

Upon returning to Huacheng, Ji Xueli encounters Duan Qingyu, who recognizes her from their childhood but treats her with a mix of indifference and predatory interest. She attempts to cultivate a persona of a nostalgic former lover, seeking to win him over by joining his entertainment company, START Entertainment. Her path is complicated by the presence of Ji Yanzhou, the original male lead of the novel and her former boyfriend, who still harbors deep resentment and unresolved feelings for her. Ji Yanzhou warns her against associating with Duan Qingyu, sensing danger, but Ji Xueli remains focused on her mission, viewing Duan Qingyu as the key to her survival and success.

The conflict escalates when Ji Xueli confronts Ren Tang, a celebrity who claims to be Duan Qingyu's lover. Duan Qingyu publicly dismisses Ren Tang, revealing he has no interest in her, which further intrigues Ji Xueli. She boldly approaches Duan Qingyu, demanding to sign with his company and setting terms that include exclusive treatment and the removal of rivals. To her surprise, Duan Qingyu agrees to her conditions, initiating a dangerous game where he toys with her emotions and tests her resolve. He invites her to his home, where their interactions are charged with tension, as he probes her true intentions while she struggles to maintain her composure against his overwhelming presence.

As Ji Xueli settles into her new role at START Entertainment, she finds herself entangled in a web of power dynamics and hidden agendas. Duan Qingyu's interest in her grows, shifting from mere curiosity to a more possessive desire, while Ji Yanzhou's jealousy and concern become increasingly apparent. The system continues to provide unreliable guidance, leaving Ji Xueli to rely on her own wit and adaptability. She navigates social gatherings, industry politics, and personal confrontations, all while trying to understand the true nature of Duan Qingyu and the novel's underlying plot. The story unfolds as a high-stakes drama of romance, revenge, and social climbing, where Ji Xueli must outmaneuver her enemies and win the heart of a man who plays by his own rules.

The narrative deepens as Ji Xueli discovers that Duan Qingyu's world is far more complex than she imagined. He is not just a wealthy businessman but a central figure in the city's power structure, with enemies and allies alike watching his every move. Ji Xueli's presence disrupts his carefully controlled life, forcing him to confront feelings he had long suppressed. Meanwhile, Ji Yanzhou struggles with his own guilt and anger, torn between his past love for Ji Xueli and his current obligations. The three-way dynamic creates a volatile atmosphere, with each character pursuing their own goals while inadvertently affecting the others.

Ji Xueli faces numerous challenges, including sabotage from rivals within the entertainment industry and political maneuvering among the aristocratic families. She learns to use her beauty and intelligence as weapons, turning her "villainess" role to her advantage. Duan Qingyu, intrigued by her resilience and cunning, becomes both her protector and her greatest threat. Their relationship evolves from a transactional arrangement to a complex bond filled with tension, trust, and unspoken desires. As the story progresses, Ji Xueli realizes that escaping her fate requires not just winning Duan Qingyu's affection, but also unraveling the mysteries of the novel and the system that binds her.

The climax approaches as secrets from the past come to light, revealing the true reasons behind Ji Xueli's transmigration and the system's malfunction. Ji Yanzhou's actions threaten to destabilize the delicate balance Ji Xueli has built, forcing her to make difficult choices. Duan Qingyu, willing to go to any lengths to keep her by his side, engages in a power struggle that tests the limits of their relationship. Ji Xueli must decide whether to embrace her role as the villainess or forge a new path, using her knowledge of the story to change her destiny. The narrative concludes with Ji Xueli standing at the center of a storm, ready to face whatever comes next with determination and courage.