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Akihito Sugiyama
杉山 亮仁
Haruhito's younger brother. He is a child prodigy with IQ of 250, and is currently studying at a university in America even at the age of 12. (Source: Wikipedia)
Voices Actors of Akihito Sugiyama
杉山 亮仁
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Haruhito's younger brother. He is a child prodigy with IQ of 250, and is currently studying at a university in America even at the age of 12. (Source: Wikipedia)
