Free Travel in Martial Arts Arena

Ye Yan, a modern boy, suffered from an unknown terminal illness and died after saving a little girl from being hit by a car. He came to familiar worlds in books one after another. Let's take a look at the ups and downs of the protagonist in the book, and have various dream relationships with the protagonists and supporting characters from different worlds, and what kind of stories will happen between them? Everything is free in the martial arts world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.