Reiko Satoru, a quiet and calculating high school girl, after being on bad terms with her social relationships, wakes up in a luxurious bed as Charlotte Margot, one of the villains in a Romance Novel. Now as Charlotte, she must be the wife of Aizel Robert de Heggins, the "Main Villain", what will become of her? Will she have to suffer the horrible end that awaits her in this novel? Will she be able to change her destiny or return to her world? Will she fall in love with the Villain?