takatora_(natsugumo_himawari)
Artist.
Japanese name: タカトラ (Takatora)
Circle name: 夏雲ひまわり (Natsugumo Himawari)
See also
* Circle blog: http://natsugumo003.blog.fc2.com/
* Pixiv account: http://www.pixiv.net/member.php?id=2438298
* Niconico account: http://www.nicovideo.jp/user/23785721
* Niconico Seiga: http://seiga.nicovideo.jp/user/illust/23785721?target=illust_all
* Digital distribution site: DLSite.com (JP)