Regressed as the Enemy Family's Youngest Daughter

“Something useless is not a child.” Because of the single reason that I was born on an unwanted day, I was abused and eventually killed. Just as I thought it was all over, a new opportunity arrived. “My child, do not be so sad. If you wish, I shall grant you regression.” And so, I was born again—but of all things, I reincarnated as the daughter of my enemy's family. “Is your head filled with flowers? I don't know how every single word you utter is so utterly useless.” “Iello, if you're going to be like that, just quit. What would you even do as the head of the family? You'd only ruin it.” ‘To think a person like that is my father...’ Will I be able to survive? Suddenly, my future lo...