The classic science fictionhorror manga from the mind of Kazuo Umezz, creator of The Drifting Classroom, Orochi, and Cat-Eyed Boy!

When an industrial robot named Monroe begins to work at his fathers factory, Satoru is fascinated. As he and his friend Marin spend more time with Monroe, they start to suspect theres much more to the machine than anyone else realizes. But neither children nor adults are prepared for Monroes violent awakening into consciousness.

When Satoru is dragged off to Niigata and Marin to England, the robot Monroe is left alone at the factory. The abandoned Monroe then escapes, leavingall three friends to face the world withoutone another.