The title may translated "Visiting Mr. Hells".(?)
There are a lot of plans to watch writers' library or to watch celebrities' house. But there may be a few books to watch nerds' room where are too many things. When I look at this book, I feel I am a normal one.
NHK broadcasted a program in that the performers guess the owner's profession from the appearance of the room. In this program, the rooms were a little strange and beautiful.