https://www.pixiv.net/users/140776
https://www.pixiv.net/stacc/kokuyouseki34
https://twitter.com/kuromaru_stone
https://twitter.com/intent/user?user_id=177152536
https://seiga.nicovideo.jp/manga/list?user_id=4109345
https://seiga.nicovideo.jp/user/illust/4109345
https://www.nicovideo.jp/user/4109345
https://nijie.info/members.php?id=1297
https://pawoo.net/@kuro_logi34
https://pawoo.net/web/accounts/44724
https://sketch.pixiv.net/@kokuyouseki34
https://www.tinami.com/creator/profile/22394
http://theinterviews.jp/kurokologic
http://twitpic.com/photos/kuromaru_kurois
http://twitpic.com/photos/kuromaru_stone
http://yfrog.com/user/kuromaru_stone/photos
