, it is viewed as a solid, straightforward battle shōnen that is "worth discovering" for fans of classic action. Content Structure
The narrative follows , a young man on a desperate mission to rescue his genius older brother, Kotaro , from the clutches of the villainous Machine Empire . The Empire seeks to use Kotaro's intellect to activate "Rafaello," a bio-mechanical monster capable of destroying the world. 2. The Bond with B't X