It is a land where dragons dwell...The legends tell of a pact between dragons and humans that go back into antiquity—A pact in which the dragons aid the countrymen, and in turn, the countrymen help the dragons.The story takes place in Dragon Country. Nonoko is a newly appointed dentist and her mission is to protect the dragon, the guardian of the country, from cavity mushis--creatures that rot the dragon's teeth. One day, amid increasingly fierce battles with the neighboring country, Nonoko finds on the dragon's tooth an unconscious boy soldier from an enemy country. His name is Bell, and he has been resurrected from inside the tooth by the dragon—a supernatural phenomenon that legend says occurs before a major disaster. Bell is bewildered over the circumstances he finds himself. Meanwhile Nonoko gives much needed words of encouragement to Bell and welcomes him as a fellow dragon dentists. As Nonoko and Bell go through a series of fierce battles, they eventually learn to accept their fate. This fantasy adventure, created on an unprecedented epic scale, will keep viewers thrilled and enraptured.