Cave Sky

There are caves in the mountains that lead to heaven, and the caves that connect the mountains are called caves and heavens. The blessed land of caves and heavens is where the immortals live. There is a way to enter the immortal's home in the world. An ignorant young man wearing a green shirt steps into the immortal's home. How he can be carefree in the blessed land and chant in the cave sky! The beginning is a bit slow. After all, the protagonist climbs up step by step. Everything is difficult at the beginning.