Koutarou Takamiya
Teppei's older brother. He's a 16 year-old Professor in Robotics who upon releasing a thesis in AI Robot Technology, got kidnapped by the Machine Empire. (Source: TVTropes)
Teppei's older brother. He's a 16 year-old Professor in Robotics who upon releasing a thesis in AI Robot Technology, got kidnapped by the Machine Empire. (Source: TVTropes)
