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...

But now, Recca comes face to face with his most troublesome foe yet. Introducing Mikagami, the water swordsman. Will water douse the flame of Recca? Or will the young ninja hotshot burn brighter than ever before?