Duke Red has overseen the construction of a massive Ziggurat to extend his power across the whole planet. Tima, a robot-girl built in the image of his deceased daughter, is at the core of these plans. However, after escaping the Duke's clutches in a laboratory fire, she meets and befriends Kenichi, a boy who's traveled to Metropolis with his detective uncle in search of a scientist wanted for organ trafficking. Will her relationship with Kenichi, and the realization of the truth of her existence, change her destiny?