Back to the '70s: A Reborn Educated Youth with a Hidden Space

Because her parents divorced, An Ran grew up with her grandmother. She accidentally discovered a hidden dimension in a jade bracelet her grandmother had left behind. Then, a flash of inspiration struck her, and she realized that the space-time depicted in novels could be a time travel or apocalypse. An Ran then decisively embarked on a shopping spree, hoarding, and stockpiling. Sure enough, the novel was worth reading...