Rebirth: I have a plane store to turn in

Yan Shishi, after her family was destroyed, was accidentally reborn at the age of eight. She also got a golden finger, a plane store system, which allows her to trade with people from other planes. Everyone has selfish desires, and Yan Shishi is no exception. She did not choose to hand over the plane store system to the country immediately, but chose to stay dormant and develop in a low profile. She slowly changed her family's conditions through the things she exchanged for the plane store system, strengthened herself and her brother Yan Shize, and after she passed the test and became fully grown, she used her aunt's family to connect with the country, reported the plane store system to the country, and traded various minerals and plants from other planes...