Artist. Formerly tagged as koriyama_shashi.
Japanese name: 郡山 市朗 (Kooriyama Ichirou)
The other names: 市朗 (Ichirou) or 郡山 (Kooriyama)
Old names: 郡山 いち or 郡山 市 (Kooriyama Ichi)
Circle & old site name: カルマット (KARUMATTO)
Current site name: KARUMATTO(改)
https://www.pixiv.net/users/4653383
https://www.pixiv.net/stacc/pearhorse364
http://karumatto.web.fc2.com
http://c10031067.circle.ms/oc/CircleProfile.aspx
http://c10059753.circle.ms/oc/CircleProfile.aspx
https://www.pixiv.net/users/5346
http://karumaccho.blog.fc2.com
http://twitpic.com/photos/kooriyama_ichi