Koga Iryuu

Koga Iryuu (伊龍恒河) is the vocalist of the band SYANA.

Personality
Although he speaks politely, he's cold towards his own bandmates, who he sees as tools that play his music.

History
Nayuta Asahi's father and the vocalist of SYANA, the first Japanese band to be successful in the whole world.

His performance at the Destiny Rock Fes was what inspired Ren to start singing.

Etymology

 * His name Koga means "Innumerable". (恒河)
 * His surname Iryuu means "Dragon, Imperial" (龍).

Trivia

 * His name can also mean "10^52", meanwhile Nayuta's "10^60".