Haha Kui Oujo no Kareinaru Hibi
母喰い王女の華麗なる日々
The protagonist's fiancé was deceived by a woman and ended their engagement. When she pleaded with him, she was pursued by hired men working for that woman. Watching her suffer, the woman smiled. A year later, the protagonist was reborn as the woman's daughter, retaining her memories and desire for revenge. She abandoned her former self to ready herself for retaliation. With her plan complete, she is now prepared to confront those who wronged her.