Britney Harks, despite being of noble status, bears a striking resemblance to a white pig - smelly, obese, and unclean. Her fiancé requests to annul their engagement due to her appearance. Hearing this news, Britney remembers her past life and realizes that she has been reincarnated into the world of her favorite shoujo manga.
In this world, Britney is fated to join the entourage of the evil Princess Angela, consisting solely of girls deemed less attractive than the conceited royal. To avoid future execution as Angela's scapegoat, Britney resolves to trim down and improve herself. Unexpectedly, her self-improvement endeavors bring advantages to her family's land, attracting attention that she wishes to avoid. Nonetheless, she remains focused on cutting ties with Angela.