Wearing books: relying on the system to be a salted fish in the 70s

Introduction: Yuxian, nicknamed Little Salted Fish, is an ordinary person, dazzled by surprises that fell from the sky, a happy life is close at hand, and on the way to happiness in a trance, everything in the "boom" life turns into bubbles.Waking up again, I became a paper person in the book, money turned into bubbles, with a stepmother's father and green tea's stepsister, who is about to go to the countryside, and the start is difficult. Fortunately, there is still a system, which should be the golden finger that the legendary heroine must have? ······Yu Xian: System, are you my cheat?System: Host, you think too much, I'm here to regulate your behavior Yuxian: Since it's the story of wearing a book, please pass it on to me System: No Yuxian: Am I the heroine System: No, you haven't appeared in the book Yuxian: ...you are stupid, so what do I have?System: I (Tsundere)...