Artist, illustrator.
Japanese name: 四条 定史 (shijou sadafumi)
Other name: しじょー (shijou)
Circle: 四畳半
https://www.pixiv.net/users/2630903
https://www.pixiv.net/stacc/shijyo
https://twitter.com/shijyo
https://twitter.com/intent/user?user_id=75905027
https://sketch.pixiv.net/@shijyo
http://shijyo.blog.fc2.com
http://shijyo.sakura.ne.jp
http://c10005829.circle.ms/oc/CircleProfile.aspx
https://webcatalog.circle.ms/Perma/Circle/10005829
http://doujinshi.mugimugi.org/browse/author/8685/Sadahumi-Shijyo/
http://twitpic.com/photos/shijyo
