Artist.
Japanese name: 赤羽 大介 (Akahane Daisuke)
The other name: サイコロヘアー (Saikoro Hair), 大介くん (Daisuke-kun) or 黒ックウェル
https://www.pixiv.net/users/2055763
https://www.pixiv.net/stacc/black-rockwell
https://twitter.com/Evevevevev5
https://twitter.com/nigate_summer
https://twitter.com/intent/user?user_id=240586966
https://twitter.com/intent/user?user_id=1187145616603918336
https://seiga.nicovideo.jp/user/illust/30583875
https://www.nicovideo.jp/user/30583875
https://nijie.info/members.php?id=58241
https://sketch.pixiv.net/@black-rockwell
http://twitpic.com/photos/evevevevev5
