B'T X

B't X is the story of one young man's battle against insurmountable odds. When Teppei's brother (a brilliant robotics scientist) is kidnapped, he follows the kidnappers to find out that they belong to a secret organization called the Machine Empire! He teams up with a B't named X, a living robotic flying horse. Together they strive to get to the center of the Machine Empire where Teppei's brother Kotaro is being held prisoner!