Artist.
Nickname: "douzen" or "闇douzen"
https://www.pixiv.net/users/1831138
https://www.pixiv.net/stacc/douzen
https://twitter.com/douzen88
https://twitter.com/intent/user?user_id=133165658
https://www.deviantart.com/douzen
https://seiga.nicovideo.jp/user/illust/16605707
https://www.nicovideo.jp/user/16605707
https://sketch.pixiv.net/@douzen
http://www.tinami.com/profile/81528
https://www.tinami.com/creator/profile/13580
https://douzen.tumblr.com
