The Calmly Deranged Eldest Daughter of the Villainous Family

I was reincarnated as the eldest daughter of a duke’s family destined to be villains for generations before facing extinction. Even the gods are cruel. First, I was a K-drama eldest daughter, and now a romance fantasy novel eldest daughter. To make matters worse, my younger brother is the craziest person in this world, and my younger sister is a villainess of historic proportions. I wanted to escape quickly, thinking I couldn’t spend another life just supporting others, but the villainous descendants turn out to be softer than the rice cakes next door. “S-Sister, there’s a cat here with an injured leg…” My younger brother, who’s fretting over an injured cat, grows up to become a villain...