Artist, illustrator.
Japanese name: 原黒 じゃっく (Haraguro Jakku, the artist uses this spelling: Haraguro Jyakku)
https://www.pixiv.net/users/1153830
https://www.pixiv.net/stacc/haraguroj
https://twitter.com/haraguro_jyakku
https://twitter.com/intent/user?user_id=267534597
https://haragurojyakku.booth.pm
https://seiga.nicovideo.jp/user/illust/11248081
http://www.nicovideo.jp/mylist/31722030
http://www.nicovideo.jp/mylist/34074816
https://www.nicovideo.jp/user/11248081
https://nijie.info/members.php?id=574269
https://pawoo.net/@HaraguroJ
https://pawoo.net/web/accounts/9307
https://a3rds7lk.fanbox.cc
https://www.pixiv.net/fanbox/creator/1153830
https://sketch.pixiv.net/@haraguroj
https://www.tinami.com/creator/profile/18601
https://haragurojyakku.tumblr.com
https://ask.fm/haraguro_jyakku
http://haraguromokou.blog.fc2.com
http://www.stickam.jp/profile/jyakujyakj
https://www.youtube.com/channel/UCxOQRED2iKIyd-q7sSHTS_w
https://enty.jp/Haraguro
http://imagis.jp/user/3167
http://www.ustream.tv/channel/ガリガリお絵描き
https://www.pixiv.net/stacc/09250925
http://p.twipple.jp/user/haraguro_jyakku
http://twitpic.com/photos/haraguro_jyakku
