shiguma_(signalmass)
Artist.
Nickname: しぐま (Shiguma or Sigma)
See also
- Pixiv account: http://www.pixiv.net/member.php?id=15281815
- Niconico account: http://www.nicovideo.jp/user/26957104
- Niconico Seiga: http://seiga.nicovideo.jp/user/illust/26957104?target=illust_all
- Twitter account: http://twitter.com/SignalMass
- Twitter (NSFW) account: https://twitter.com/SikoriMass