Yu Wancheng is a deep-sea creature enthusiast. He has infinite fantasies and curiosity about the still mysterious sea. Finally, he got his wish and joined the National Marine Research Base, where he saw the skeleton of a mermaid for the first time, and a series of strange events that happened, which conflicted with the materialist ideas he had accepted for more than 20 years.
Whether the dark ocean is really inhabited by unevolved humans thousands of years ago, here are the answers.
Mission: Be brave enough to explore the unknown