Artist.

Japanese name: 野乃原 如来 (Nonohara Nyorai)
Circle name: shachiku20002

The artist is also a member of Bunjutsu Fortissimo, a doujin circle led by fanfic writer Miura Sairasu. Sairasu often uploads the illustrations of other circle members to his sites/accounts with their permissions. The real artist credits are on his Pixiv commentaries.

Miura's accounts:

• Name: 三浦サイラス (Miura Sairasu)
• Circle: 文術フォルテッシモ (Bunjutsu Fortissimo)
• Illustrators: Nonohara Nyorai and Kurihara Kenshirou
• Blog: http://blog.livedoor.jp/sairasu22/
• Pixiv: http://www.pixiv.net/member.php?id=2132505
• Pixiv novels: http://www.pixiv.net/novel/member.php?id=2132505
• Twitter: http://twitter.com/sairasu9