うそっ、侯爵令嬢を押し退けて王子の婚約者(仮)になった女に転生？―しかも今日から王妃教育ですって？―

Sofia is a ``bratty young lady'' who loves herself very much. One day at school, she meets her ideal prince, Vincent, and they fall in love. After her fierce appeal, she snatched the position of her fiancé from the marquis's daughter, and it seemed like smooth sailing days were awaiting her. However, when she hits her head hard, her memories of her previous life come back to her... and she realizes that she is actually a "flicker" that she hates! I hate women who seduce other people's lovers just because they're cute, and I hate men who are seduced by them!! The people around me seem to feel the same way, and everyone looks at me and the Crown Prince with cold eyes. Well, there's nothing I can do about what happened. Somehow, he tries to improve the crown prince's reputation, restore his relationship with his girlfriend, the daughter of a marquis, and make a peaceful exit, but -!?