
Masaharu Niou (仁王雅治) is a supporting character in Tennis no Ouji-sama: Zenkoku Taikai-hen Semifinal and 1 other title, voiced in Japanese by Yuuki Masuda. The series' music includes "Tennis no Ouji-sama Zenkoku Taikai Hen Op 2 Creditless", "Tennis no Ouji-sama Zenkoku Taikai Hen Op 2 Creditless".