Taking place in the Sengoku Period, Rantaro, Kirimaru and Shinbei are young students at Ninjutsu Academy, a school that teaches all kinds of youth how to become ninjas. Known as "Nintamas", the main trio, and many other students at the school, must learn all sorts of unique skills to achieve their goal. Unfortunately, things aren't that simple, since our protagonists constantly find themselves facing strict ninja teachers such as Doi-sensei and Yamada-sensei, the mischievous girls from the Kunoichi class, an entire crew of pirates and dozens more interesting characters. With all these crazy things together, anything can happen in the crazy world of Nintama!
