Fukuzawa felt tired and stressed, he had a headache and it felt like it was hard to focus on the documents he was reviewing at that moment. It was true the life of a director of a detective agency was not easy and much less when there was a mafia and a government to deal with.

There was a knock on his door, which broke the silence in the office and Fukuzawa raised his head, looking at the door.

"Come in.."