2000 years ago, the great and evil Ongo was forever sealed away. His evil power and destructive nature will never bother the Earth and its people again.
Right, like things always work out so easily. The ancient temple of Ongo is excavated and its strange artifacts make their way to Japan. Thanks to her archeologist father, young Nasumi finds herself in possession of a strange necklace that was a part of those artifacts. Soon, she discovers that she also has to baby sit Ongo, not to mention deal with the strange happenings that seem to follow him around. It?s a good thing she?s also inherited the power to transform into Mie, the flower spirit.