Mysterious Factory play online

One day, an unknown factory was built on the outskirts of a city.
Several days after, the mysterious book was flown from the factory.
A boy who heard the story was interested in the factory...?

15 years later, he had a mission. The content was to go to a mysterious factory and forcibly stop book production.
The young man was forced to make a big decision ...?
In the HARD, there is a high possibility that you can not clear if you are unlucky.