Artist. Formerlyt tagged as astsm.
Japanese name: ときわ つねば (Tokiwa Tsuneba)
Other names: 常葉, ときわ (Tokiwa) or つねば(Tsuneba)
Pixiv ID: astsm
Site name: 黒い羊飼い
https://www.pixiv.net/users/460811
https://www.pixiv.net/stacc/astsm
https://twitter.com/astsm13
https://twitter.com/tun_toki
https://twitter.com/intent/user?user_id=104198739
https://twitter.com/intent/user?user_id=636333265
http://blackshepherd.blog.fc2.com
http://mixi.jp/run_appli.pl?id=3774&owner_id=3999635
http://p.twipple.jp/user/astsm13
http://p.twipple.jp/user/tun_toki
http://twitpic.com/photos/astsm13
http://yfrog.com/user/astsm13/photos