kei_nazumi
Artist.
Publishes material under the medium_passion name.
Stopped updating websites on 2005.4.25 (available for viewing here: http://web.archive.org/web/20060420035304/http://www8.ocn.ne.jp/~nazumi/) and the latest HP is defunct.
New Home Page: http://nazumik.sakura.ne.jp/
Old Home Page (Defunct): http://www8.ocn.ne.jp/~nazumi/
Older Home Page: http://www.geocities.co.jp/Playtown-Darts/1075/
Pixiv Account: http://www.pixiv.net/member.php?id=3959544
Twitter Account: http://twitter.com/k_nazumi