Rule Horror: I Predicted the Rules

[Original dungeons + no female lead + no System + deduction + livestreaming + O. Henry-style twists] Enter the Rules of Horror space. A game that turns everything you know upside down, using people as pawns, with billions of lives at stake. If he wins, the Dragon Kingdom wins. If he loses, the Dragon Kingdom loses! The first dungeon Sheng Cha faces is Jushan Mental Hospital, where the death rate is nearly 100 percent and the clearance rate is zero or less. Undercover rules: 1. No one may learn your undercover identity. 2. You must obey every rule the patients follow. 3. You are on your own, and must rely entirely on yourself. 4. Self-interest will make “people” seem like friends. 5. There are no friends here. 6. Do not judge by appearances. 7. Stay away from those who look repulsive and are vile inside.] With only scattered clues and ambiguous rules, Sheng Cha relies on instinct and his astonishing powers of deduction to escape alive!