Artist. Formerly tagged as guruguru_mawaru.
Artist name: "art is de4d" or 係長１９３０ (Kakarichou 1930)
Old name: GURUGURU☆MAWARU
Site name: art-is-de4d
https://www.pixiv.net/users/2988345
https://www.pixiv.net/stacc/86mawaru
https://www.deviantart.com/gurugurumawaru
https://sketch.pixiv.net/@86mawaru
https://art-is-de4d.tumblr.com
http://artisde4d.blog.fc2.com
https://twitter.com/art_is_de4d
http://twitpic.com/photos/art_is_de4d
