Keigo

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Keigo Hayashi (林圭吾) (better known as simply KEIGO or ケイゴ) is one of two vocalist of the notable Japanese mixture rock band FLOW. They are part of Sony Music Japan's Ki/oon Records label. KEIGO, along with KOHSHI, TAKE, and GOT'S formed FLOW in 1999, with IWASAKI joining them in 2000.

KEIGO writes the lyrics for many of FLOW's popular songs such as COLORS and Days, which were the first opening of Code Geass: Lelouch of the Rebellion and Eureka Seven respectively.