seki_(geppuku_shokudou)
Artist.
Japanese name: 関 (せき, Seki)
Old names: らっきょ (Rakkyo) or 栖山 (Suyama)
Circle name: 月福食堂 (Geppuku Shokudou)
See also
* Pixiv account: http://www.pixiv.net/member.php?id=13469632
* Pixiv sketch account: http://sketch.pixiv.net/@abcd_efgg
* Privatter account: http://privatter.net/u/d_abce
* Twitter account: http://twitter.com/d_abce
* Twitter account (for Haikyuu!!-themed tweets): http://twitter.com/seki_hqac
* Old pixiv account (no longer updated): http://www.pixiv.net/member.php?id=2278190
* Twipple photo images: http://p.twipple.jp/user/rakkyo_01
* Twitpic account (server stopped): http://twitpic.com/photos/rakkyo_01
* Old twitter account (deleted): http://twitter.com/rakkyo_01