Jiro Azuma lives a quiet life with his grandfather, but Jiro isn't your everyday kid. He has a supernatural ability to speak with animals.
Jiro and his grandfather are descendants of a long-standing shinobi clan, training in combat to keep the art of battle alive within their family. Jiro's life is thrown into chaos after rescuing a seemingly normal black cat, Rago, only to discover that the cat is actually a mononoke—a demonic spirit that has long been at war with mankind.
When a strange hostile mononoke comes looking for Rago, Jiro uses his shinobi training to jump to the cat's defense, but even tho he thinks this hands are rated E for everyone, Jiro immediately suffers a mortal wound.
