Masahiro Yamanaka (山中 真尋, Yamanaka Masahiro) was born December 22 in Saitama Prefecture, Japan. He is a voice actor (seiyuu) affiliated with Kenyu Office. Masato Kawamura (河村 眞人) is an alias of Masahiro Yamanaka for adult games and anime.
Not to be confused with animator Masahiro Yamanaka (山中 正博).
