Artist.
Japanese name: 四頭 (Shitou) or "sitou44"
Circle name: "4H" or サークル4H (Circle 4H)
Site name: 四頭中枢
https://www.pixiv.net/users/59388
https://www.pixiv.net/stacc/hosi-gaki
https://twitter.com/sitou44
https://twitter.com/intent/user?user_id=95858348
https://sitou.booth.pm
https://nijie.info/members.php?id=79519
https://sketch.pixiv.net/@hosi-gaki
http://forceheads.blog.fc2.com
http://privatter.net/u/sitou44
http://sitou.sakura.ne.jp/wp/
http://c10013261.circle.ms/oc/CircleProfile.aspx
http://c10049442.circle.ms/oc/CircleProfile.aspx
http://www.dlsite.com/ecchi-eng/circle/profile/=/maker_id/RG10843.html
http://www.dlsite.com/maniax/circle/profile/=/maker_id/RG10843.html
http://b.dlsite.net/RG10843/
http://www.doujinshi.org/browse/circle/52269/
http://twitpic.com/photos/sitou44
http://yfrog.com/user/sitou44/photos
