Armed with the power to control flame, Recca Hanabishi finds himself in an awkward situation when a mysterious older woman pops into his life one day. Is she good? Is she evil? What exactly does she want with the young ninja firecracker? Becoming a ninja is just a childhood dream for16-year-old Recca, until a fateful encounter reveals he has inherited ninja powers, including the ability to wield fire! As Recca learns to master the ancient ways of his ancestors, he is drawn to protect a mysterious girl named Yanagi... As a 400-year-old teenage ninja, Recca Hanabishi has recently vowed to protect the life of a pretty classmate named Yanagi Sakoshita. With the power of flame at his command, the hotshot shinobi is not shy about roasting a punk (or two) over a roaring fire. But now, a battle-weary Recca finds himself grappling with someone known as "The Invincible One." As he looks down the barrel of the Demon Cannon, our hero begins to wonder: how do you defeat an indestructible enemy with an arsenal of human souls at his command?!!