Artist, illustrator.
Japanese name: こずみっく (Cosmic)
Twitter nickname: なまけもの。
Circle & site name: 遊閑地 (Youkanchi)
https://www.pixiv.net/users/446127
https://www.pixiv.net/stacc/crownclowncosmic
https://twitter.com/crownclowncos
https://twitter.com/intent/user?user_id=65095049
https://crownclowncos.booth.pm
https://sketch.pixiv.net/@crownclowncosmic
https://skeb.jp/@crownclowncos
http://clowncrowncosmic.blog.fc2.com
http://clowncrowncrowcosmic.web.fc2.com
http://cynicismsicinyc.blog.fc2.com
http://c10063700.circle.ms/oc/CircleProfile.aspx
https://www.melonbooks.co.jp/circle/index.php?circle_id=22585
https://ec.toranoana.jp/tora_r/ec/cot/circle/2UPA0E6P8Y74dE68d687/all/
https://ec.toranoana.jp/tora_r/ec/cot/circle/LUPA4B6P877Od26Pd687/all/
https://bsky.app/profile/crownclowncos.bsky.social
https://bsky.app/profile/did:plc:zphgppdwnfrhb4iunbw4vjav
https://ojfbdwip.fanbox.cc
http://p.twipple.jp/user/crownclowncos
http://twitpic.com/photos/crownclowncos
http://yfrog.com/user/crownclowncos/photos
