![Ninja Boy Rantaro](https://image.chilimovie.com/region2/en/300px/20240301/e3TBXBkXAKEbmuoS4b4p7swt3xP.jpg)
Rantarō, Shinbei and Kirimaru are ninja apprentices in the Ninja Gakuen, where first grade ones are called "Nintamas". They must learn everything a ninja must know, but as for our heroes, money, food or playing are more interesting. The series show the everyday adventures of our heroes.