Xie Lanshan, who lived ten years after the start of the "Future Day", returned to before the "Future Day" for some special reasons. Xie Lanshan, who originally thought she had arrived in the paradise world, wanted to enjoy life in the afterlife, but a sudden change made Xie Lanshan know that the "Future Day" was not over. In order to prevent the previous tragedy from happening again, Xie Lanshan planned everything...
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