Akuyaku Reijou wa Futatabime no Jinsei de Kaerizaku: Hametsu Endo wo Kaihi Shite, Koi mo Teii mo Itadakimasu

Overview

Princess Leontina has been spending the empire's funds on jewelry and dresses, all in attempt to win the heart of her husband and crown prince, who won't even give her the time of day. But now, her crimes have caught up to her and she has been sentenced to death. Repentant, she prays to the gods for a second chance at life, promising to be a better princess. But after the axe swings downwards and all fades to black, the next thing she knows, Leontina is back in her childhood bedroom, and it's the morning of her eighth birthday?! Confident that her knowledge of future events will be the key, this time, Leontina makes the bold decision to properly protect her country by taking the throne for herself. Will our princess be able to escape her fate this time around? (Source: MangaPlaza)

Source: AniList