Explore a new world full of mysterious and horrifying creatures in this survival adventure.

You are a young trainee who has just arrived at the train station. Upon arrival, you are immediately taken to the underground city, where you will meet your friend and the first mission of the game. In this underground city, you will find a school that is full of all kinds of strange creatures, including Choo Choo and his friends.

Choo Choo is a monster who has taken over the school and attacked your friend. You will need to go through the school and find the secret messages that will help you escape. In this game, you will also have to solve puzzles and use your logic to find the secret messages and escape from the monsters.