Issun-bōshi
The One-inched boy is a famous fairy tale in Japan.This is about the one-inched boy born at the small house which an old woman and man lived. One day, the one-inched boy realized he would not grow up more than one-inch, he went to the city for the trip. And he met the cute princess out there. During the trip with the princess, the demon attacked them. The one-inched boy beat them by his needle. For the reward of the beating demon, the princess made the one-inch boy to the real human by using the special hammer called Uchide no Koduchi.
Also this story has told in the world. In the United States, the one-inched boy became one of the teaching category at the elementary school.
This is the fairy tale so that a lot of the part is different from the old Japanese tale book called *Otogisoshi. The one-inch boy should be bad character in this book.