You slept with me, and now you think you can just say it was a mistake?” Estelle, the daughter of a viscount, suddenly finds herself reincarnated as a side character in a popular web novel. In the original story, her role is to steal the second prince away from the heroine, only to be condemned and exiled. Wanting to bow out of the story as quickly as possible, Estelle plans to pretend to seduce the second prince, following the novel’s plot. But she accidentally approaches the wrong man—Oscar, the protagonist and crown prince—!? A pitiful mob noblewoman × a possessive, perfectionist prince. A sweet, overprotective fantasy romance!!