Male Japanese artist.
Name: 川科 or かわしな (Kawashina)
Circle: 木綿シリコン
Site name: 六畳一間
https://www.pixiv.net/users/373203
https://www.pixiv.net/stacc/kahasina
https://twitter.com/kahasina9
https://twitter.com/intent/user?user_id=198911004
https://sketch.pixiv.net/@kahasina
https://www.tinami.com/creator/profile/29553
https://kahasina.tumblr.com
http://privatter.net/u/kahasina9
http://c10206486.circle.ms/oc/CircleProfile.aspx
http://c10206487.circle.ms/oc/CircleProfile.aspx
http://portal.circle.ms/Circle/Index/10206487
http://twitpic.com/photos/kahasina9
