The 1970s: My Family Favors the Fake Heiress, So Why Panic When I Go to the Countryside?

[Impostor Heiress + The Whole Family's Regrets + No Forgiveness + Countdown to Leaving] The first thing I did after being reborn was sign up to go live in the countryside. In my previous life, I used the favor my eldest brother owed me for saving his life to recommend him for a promotion, all for the sake of his dream. When my second brother wanted to study medicine, I risked my reputation and went back and forth to the cattle sheds to help him find a teacher. When my third brother fell into the water, I couldn't swim, but I jumped in without hesitation to save him and was left with a constitution prone to chills. Little did I know, I was the fake heiress, switched at birth! To make it up to the real heiress, my whole family demanded that I give her my job, my university admission letter, and even my fiancé. When I fell ill, they all went off to build a business with their darling, leaving me to die in agony. When I opened my eyes again, I no longer hoped to warm my family's hearts. This time, I wasn't going to lift a finger for them! But after I left for the countryside, my whole family panicked...