Yarinaoshi Tensei Reijou Hazamaa Shitai no ni Dekiaisareru

Dia, the daughter of a duke who had been mistreated by her family for many years, had always dreamed of leaving home. However, just when she thought she could finally leave through marriage, her fiancé, Prince Arnold, turned out to be a despicable man who surrounded himself with mistresses and ignored her. On her wedding day, the prince's mistress deliberately stepped on the hem of her dress, causing her to fall down the stairs and die at the young age of 16. However, Dia was granted special abilities by the gods and given a second chance at life from the age of 14. With this new life, Dia resolves to "get revenge on Arnold!"