Artist.
Japanese name: こうき くう
https://www.pixiv.net/users/290919
https://www.pixiv.net/stacc/koukikuu
https://twitter.com/IsNoYet
https://twitter.com/KoukikuuS
https://twitter.com/kouki_kuu
https://twitter.com/intent/user?user_id=85276444
https://twitter.com/intent/user?user_id=925239498216153089
https://twitter.com/intent/user?user_id=1575276127223877632
https://seiga.nicovideo.jp/user/illust/1078878
https://www.nicovideo.jp/user/1078878
https://nijie.info/members.php?id=26581
https://kouki.fanbox.cc
https://sketch.pixiv.net/@koukikuu
http://kou-k.sakura.ne.jp
http://kou-k.sakura.ne.jp/moon/
http://kou-k.sakura.ne.jp/moon/night/diary.cgi
https://enty.jp/kouki_kuu
http://p.twipple.jp/user/kouki_kuu
http://twitpic.com/photos/kouki_kuu
http://yfrog.com/user/kouki_kuu/photos
