A six-year-old child, while playing with children at a neighbor's house, accidentally fell into a hole in the ground under the cover of a straw bale, threw his spirit out, and was mistakenly picked up by the underworld access pool, and his body became a vegetative person! In the three days of the yang world and the three hundred days of the underworld, the young Lin Zi ...... became a super cultivation genius with god-level qualifications in the underworld! At the age of six, he broke through the proud cultivation realm and captured many underworld saints and heavenly hearts in the underworld! and accepted countless Tianjiao and geniuses, and became his loyal little brother and slave. The spirit body is trapped in the underworld, and although it cannot return to the yang world, the spirit body can travel through and travel between the underworld and the yang world from time to time. So that it can be yin and yang, and the gods and the underworld are the same practitioners! Special activities such as bringing goods and smuggling can also be carried out. This book is based on the author's childhood relationship with his best friend and his personal experience as the backbone of the story, adding a dream, I hope you can like it!