Artist. He said that Mamiya Subaru is his brother.
Artist name: イクヰロン (Ikuwiron, Iqwiron or IQR)
Circle & site name: ぐるり堂 or GLLD
https://www.pixiv.net/users/4267
https://www.pixiv.net/stacc/iqr
https://twitter.com/bronzeMstag
https://twitter.com/iqr191
https://twitter.com/iqr192
https://twitter.com/intent/user?user_id=6370272
https://twitter.com/intent/user?user_id=45374385
https://twitter.com/intent/user?user_id=1446724046289182721
https://nijie.info/members.php?id=2682
https://sketch.pixiv.net/@iqr
http://www.tinami.com/profile/15334
https://www.tinami.com/creator/profile/726
https://iqr191.tumblr.com
http://www.stickam.jp/profile/iqr191
http://glld.hp.infoseek.co.jp
http://twitpic.com/photos/iqr191
http://twitpic.com/photos/iqr192