Kouji Yokoyama
    Kouji Yokoyama
    Birthday: Unknown
    Family name: 横山
    Given name: コウジ
    Twitter: https://twitter.com/tonarinoyama
    Website: http://tonarinoyama.sakura.ne.jp/
    pixiv: http://www.pixiv.net/member.php?id=158266
    Gender: Male
    Blood type: AB