Sasuga No Sarutobi

nikumaru, meaning “meatball” in japanese, is a seventeen-year-old student at ninja high school, a special school for the training of ninja. he is short and chubby, but he possesses a super technique known as the “kamikaze”, where he stirs up a whirlwind with his feet. the series introduces his many adventures and pranks as nikumaru meets with his rivals both in and out of school. [source: animenfo]