Yaiba is raised by his martial art maniac father in the mountain.
He is trained to be great fighter, too. One day, the father took him to his friend’s house in the city. Yaiba, then, is left there.
He’s a straight hearted boy and will fight for virtues. But, the stronger someone is, the more jealous people get. Yaiba faces many opponents while he waits for his missing father.
This series was published long before Metantei Conan, but it wasn’t very successful till that detective story was released. Well, Aoyama Gosho sensei surely made a lot of profit from them. He was listed as one of the tenths highest tax payer in Japan.