Traveling Through Thousands of Years, Just for Day and Night

Wear it quickly! An ordinary female middle school student will experience a bizarre and fantasy time travel process at night, and when she opens her eyes again in the modern world, she finds that only one night has passed. But who can be sure that those vivid experiences did not happen in the real world? The ancient and mysterious underground city, the chaotic forces of Europe in the 18th century, the bizarre coast and so on. Every morning her whole body ached and she felt mentally lethargic, which seemed to tell her that this was by no means a simple dream! Looking back after going through thousands of sails, it turns out that everything that happened was just for a promise...