Koutarou Kosugi
    Koutarou Kosugi
    Birthday: Unknown
    Family name: 小杉
    Given name: 光太郎
    Twitter: https://twitter.com/KouKosugi
    Website: http://www1.odn.ne.jp/~aag40070/hitec/hte_top.htm
    pixiv: http://www.pixiv.net/member.php?id=1350669
    Doujin circle: Celluloid Brothers (セルロイドブラザーズ)