Rule Horror: It Begins When I'm Sent to a Mental Hospital

In the parallel world of 2137, a supernatural phenomenon known as Rulebound Horror emerged. Shen Mu was the first player to survive one of these horrors, but instead of being hailed as a hero, he was diagnosed as mentally ill and sent to a psychiatric hospital. Unfortunately, the hospital's Rulebound Horror began... 1. Never worry about whether you're normal. Nobody cares. 2. If you aren't mentally ill, you shouldn't take the doctor's medicine. 3. You must take your medicine in front of the doctor, or he will be displeased. 4. Never ask questions about anything in the psychiatric hospital, and don't insist that you're normal. Nobody cares. 5. You can generally only do certain things at the designated times. 6. Lights-out is at nine p.m. If you hear anything after the lights go out, don't be afraid. As long as you stay in your room, you're practically safe...