Artist.

Japanese name: ツン (Tsun)
Circle name: 乙組 (Otsugumi) (the other member: Kimi and Pancho)

See also

• Pixiv account: http://www.pixiv.net/member.php?id=1052387
• Twitter account: http://twitter.com/tsuju
• Twitpic account: http://twitpic.com/photos/tsuju
• Circle blog(shared with the other members): http://otugumi.blog54.fc2.com/