An Young-mi

There is a strange feeling around Earth and Triforce just before the completion of the world's first mechanimal, Disc Cannon. Black Mirror who was thought to be dead, has revived and is seeking revenge. He turns all the mechanimals into Black Mechanimals and starts to destroy the world. The tamers start preparing for the final battle in the most dangerous of times...

A futuristic world where robots have become popular, Tae-pyeong is possessed by a robot body in an unfortunate accident. He meets Nana, whose life is threatened by her evil uncle, who killed her brother to take over the company. The story of a robot who sacrifices his entire body to protect a child in danger.