It is about a little demon named Ash who likes to prank humans and cause chaos with his older brother, Stone. Well, something happens during their fun that leaves Ash in doubt and wonder. From that day on, he meets a new friend, a human boy that can actually see him. Although everything is going well, Ash's evil deeds catch up on him when he uncovers an awful discovery about his friend. Ash tries to makes things right but his brother takes measures in his own hands. Will Ash be able to save his friend or pay the price?