Artist. Likes Touhou.
This Japanese image hosting service, developed by Ooame, is illustrated by Ishikkoro.
Artist name: 石っころ (Ishikkoro)
https://www.pixiv.net/users/46141
https://www.pixiv.net/stacc/ishikkoro
https://twitter.com/ishikkoro
https://twitter.com/intent/user?user_id=15188400
https://www.deviantart.com/ishikkoro
https://seiga.nicovideo.jp/user/illust/371691
https://www.nicovideo.jp/user/371691
https://nijie.info/members.php?id=454
https://pawoo.net/@ishikkoro
https://pawoo.net/web/accounts/35027
https://ishikkoro.fanbox.cc
https://www.pixiv.net/fanbox/creator/46141
https://sketch.pixiv.net/@ishikkoro
https://skeb.jp/@ishikkoro
http://twitpic.com/photos/ishikkoro