Return of the Snake Girl

A snake-like monster appeared, and for a moment, its tongue wrapped around the old fisherman and dragged him away; a moment later, an 18-year-old girl came out - Xin Rui, she was covered in mucus, and scales appeared on her face from time to time. High school student Fu Junhao discovers the girl Xin Rui and takes her home. Since then, people have disappeared on the island one after another. While searching for their missing friends, Xin Rui and Fu Junhao discovered that there was a mysterious base underground on the island, and a snake-like monster appeared in the underground base. What is the identity of the girl Xin Rui? What connection does she have with monsters? What is the truth? The kind-hearted Fu Junhao would not have thought that he would be involved in a huge disaster...