Agent Escape vs Supernatural Note

Agent Bazel was attacked by an enemy during an operation in the country. After he woke up, he was found locked in the underground facility of an abandoned factory. When he escaped the factory through many difficulties, he also discovered some strange clues pointing to a mysterious organization. But his discovery is only the tip of the iceberg. . . Can you help Bazel solve all puzzles and get the final victory?

Ten years ago, a student fell from the toilet window of the school and died late at night. Then, the building began to stage "campus incredible events" one after another. Women wandering alone in the corridor at night, crying from the toilet cubicles... All this has gradually become dusty with the abandonment of the building. Ten years later, at the request of the mysterious client, the supernatural research society came to this teaching building again. What happened that year? After ten years of exploration, can we find the final truth?