Zizinstoff is your main character, keep him alive and you should do fine.
The story is Zizinstoff's town is under attack by an evil samurai and in the process of that his family dies. Five years later Zizinstoff returns to his town to pay tribute to his family.
After doing this Zizinstoff makes up his mind and wants revenge against the evil samurai who killed his family. Now go find him and kill 'im.