Because of the words "Are you there? Ghost", Xu Yiai met Gui, and they chatted all over the world. When Gui had to return to his world, Xu Yiai also came to his world by some chance and coincidence, and met Huo Feng...
In this primitive yet advanced world, Xu Yiai experienced his first love, his first survival, and his first time risking his life for his friends...
Purpose: Learn to protect the people you want to protect