hiyoko_(niwa)
Artist. Formerly tagged as niwa (19950319).
Nickname: Hiyoko
Old name: niwa
See also
- Pixiv account: http://www.pixiv.net/member.php?id=2175127
- Imagis account: http://imagis.jp/user/5545
- Niconico account: http://www.nicovideo.jp/user/16493649
- Niconico Seiga: http://seiga.nicovideo.jp/user/illust/16493649?target=illust_all