Koutarou Takamiya
高宮 鋼太郎
1
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2 animes · 1 manga · 8 voice actors
Background
This bio may contain spoilers.
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)