Masato Shimon (born Masaharu Fujikawa January 4, 1944) Japanese singer known for performing song in tokusatsu shows. He is best known for singing the opening theme song of Seijuu Sentai Gingaman. He also performed Hadashi No Kokoro De, the ending theme of the same Sentai entry. He has sung under a few stage names, like Ryou Kisami, Akira Tani, and Koichi Fuji.

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