Character
Koutarou Takamiya
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Also known as Kotaro
- Native
- 高宮鋼太郎
- Gender
- Male
He is a scientist and the older brother of Teppei.
Behind the voice
Voice actors
Appears in
Character
Also known as Kotaro
He is a scientist and the older brother of Teppei.
Behind the voice
Appears in
Supporting
B't X
Manga
