Travel through the 90s with the system, dig your own grave first at the beginning

[Era + Heroine + Plane System, No CP] Gu Zishu was reborn with the golden finger he collected. Good news: She is alive again. Bad news: She is buried in the ground. Whether she dies or not is a matter of time. In the end, thanks to the system and good-hearted people, the project was unearthed successfully. As a result, as soon as I woke up, I found out that the original owner died unjustly. After being pushed into the trap by her step-sister, her step-father and his family teamed up to steal her admission letter. Her biological mother told her to endure it in the name of her own good! Can she bear this? Those who should wear silver bracelets should wear silver bracelets, and those who should sing tears behind bars are also arranged. As for her, of course she wanted to get rich by studying and exploring the system. No money, no power and no status! It doesn't matter, just ask who doesn't care about the materials the system explores. She opened a grocery store, but the queue was endless. "Can you guys who are shopping stop being so busy? It's only five o'clock in the morning." "It's like you didn't come to queue at this time." Rolling eyes. "I'm different from you. I'm from a research institute." proudly. "What's going on at the research institute? Line up later!"...