第1章 我脑袋里有扇门！

There's a door in my head!

After exploring the glowing hole on the rock wall of the tiankeng, hiker Wang Yu traveled to the courtyard world and found that the glowing hole was a light door that could be opened to travel to another world. From then on, Wang Yu lived a leisurely life in the courtyard world, explored and searched for arms in the other world, traveled back and forth between the two worlds, practiced martial arts, and cultivated immortality, living a free and easy life.

驴友王宇探索天坑岩壁上发光洞口后，穿越到四合院世界，并发现发光洞口是一扇光门，可打开穿越异世界，由此，王宇在四合院世界悠闲生活，在异世界探险求索卖军火，来回穿越两界，练武修仙，逍遥自在。