Jiro is the main character in the story, and the whole book is based on what he thinks is happening. Througout the book he is reffered to as the fly on the wall because of how he is just an observer to what is going on around him. He makes on real inpact on the story but makes a good story teller. The servents in that time period gosiped alot so he knew all the details of went on in the castle.