yoruhashi_(nightedgeco)
Artist, mangaka. The author of Tsurugi no Oukoku.
Pen-name: yoruhashi (ヨルハシ)
See also
* Comico webcomics: http://www.comico.jp/author/117/
* Pixiv account (empty): http://www.pixiv.net/member.php?id=2195628
* Twitter account: http://twitter.com/ni_edge