Higeki no Genkyou to Naru Saikyou Gedou Last Boss Joou wa Tami no Tame ni Tsukushimasu. To The Savior

At eight years old, the protagonist discovers they have been reborn as Queen Pride, the villainous final boss in an otome game. As the last opponent the main character must face, she possesses high combat ability, sharp intelligence, and is the most powerful crown princess in a matriarchal kingdom. Due to her presence, those around her suffer misfortune, leading to a future of destruction. Faced with inevitable failure, the protagonist decides to use their authority and special abilities to avoid conflict with the main character and prevent their own bad ending. This story continues from a previously cancelled adaptation.