misaka_(missa)
Artist.
Japanese name: 御坂 (reading is given as Misaka)
Old pixiv nickname: wi
Circle & site name: missa (ミサ)
See also
* Blog: http://fuga26.blog69.fc2.com/
* Pixiv account: http://www.pixiv.net/member.php?id=1366949
* Main twitter account: https://twitter.com/missa_msk
* Twitter account (deleted): http://twitter.com/missa3668
* Twitpic account (1): http://twitpic.com/photos/missa3668
* Twitpic account (2): http://twitpic.com/photos/genkotsu3668