Artist. On the artist's Pixiv page, they have written their opinion on uploading their art.

Japanese name: ぽねすけ (Ponesuke)
Old names: もぐー (Moguu), 修羅場 (Shuraba)
Circle name: LEFD (レフリーダム or エルイーエフディー)

See also

• Blog: http://lefd.dou-jin.com/
• Pixiv account: http://www.pixiv.net/member.php?id=66992
• Pixiv sketch account: http://sketch.pixiv.net/@kkkkknights
• Privatter account: http://privatter.net/u/m0_9u
• Twitter account: http://twitter.com/m0_9u
• Alice-Books doujin list: http://alice-books.com/item/list/all?circle_id=1523