Kou Yaginuma
    Kou Yaginuma
    Birthday: Feb 14, 1973
    Gender: Male
    Name (in native language): 柳沼行
    Zodiac: Aquarius
    Did illustrations for the novel of 'Hoshi no Koe'.
    Debuted with "The Fireworks of 2015" in 2000, which served as a prequel to Twin Spica.