nakahira guy
Mangaka, illustrator, and doujin artist.
Japanese name: 中平凱
Circle name: Metamorphose
Home page: http://www.geocities.jp/metamor95/
Pixiv account: http://www.pixiv.net/member.php?id=512727
Pixiv account (for R18 works): http://www.pixiv.net/member.php?id=3549044
Twitter account: https://twitter.com/guy_n
Twitter account (for R18 works): http://twitter.com/guy_r18