I Think It Would Be Better for Me to Become King

Astarote is a young woman who is transported into a romance game that she loved. She takes on the role of the villain, who is married to Prince Cedric, her favorite character. However, she discovers that the end of the game is tragic for her, as she is accused of being an impostor and is executed by the king.

She tries to change her husband's destiny, making him become the new king, but in every route, she ends up dying. Desperate, she decides to take radical action: she will become the queen and change the course of history. But to do so, she will have to face many obstacles, intrigues, enemies, and secrets.

(Source: MagusManga)