Recca Hanabishi is a regular high school kid who hopes to become a ninjya some day. His humbrum life is completely disrupted the day he meets a cute and mysterious girl named Yanagi. He soon discovers he has possessed super ninja secret powers all along. Together with his friends Fuko and Damon, Recca slowly learns how to navigate the ancient and arcane world of ninja warriors. But the winsome teen has an ace up his sleeve: Not only does he already have ninja skills, he also harbors the ability to control fire.