(Endless dark loops + single protagonist + ordinary person with no golden finger + no romance)
My name is Zheng Zha. By the time you read this, I won't remember how long I've been here. This place is full of ghosts, and every day I have to face different ones. Remember, ghosts can't be killed. The only way to deal with them is to exploit loopholes in the rules. I've forgotten why I'm here. I only know that I can't turn back. Every seven days, I have to go to a place with a different setup. I can't stay for more than seven days, or something will happen. What exactly? I've forgotten. I thought this would go on forever, until I saw...
If someone comes after me and finds this, please remember my name. My name is Zheng Zha, an ordinary... person...