C429 Underground stone door

Ever since I came back from Hainan, my mental state has been unstable. Sometimes I wonder if I'm sick or if I have some sort of inexplicable mental illness.

Before I knew it, I was always caught up in some unfathomable hallucination.

But most of the hallucinations were fleeting, and I didn't tell the others so they wouldn't worry.

Most of the hallucinations were very simple