Artist.
Japanese name: 黒雅 (Kokuga or Koku Ga)
See also
- Pixiv account: http://www.pixiv.net/member.php?id=4283925
- Pixiv sketch account: http://sketch.pixiv.net/@yoshimoto0613
- Niconico account: http://www.nicovideo.jp/user/27819638
- Niconico Seiga: http://seiga.nicovideo.jp/user/illust/27819638?target=illust_all
- Twitter account: http://twitter.com/koku_ga