Artist.
Japanese name: 平野 渓 (HIrano Kei)
The other names: "hrnk", 渓 (Kei), 渓介 (Keisuke), 渓介輔之助 orトーマ
Circle name: ごまどうふ
Joint circle name: コインコイン地獄 (circle partner: Jippo)
Old site name: らじぇ!!
https://www.pixiv.net/users/3706
https://www.pixiv.net/stacc/hrn
https://twitter.com/_hrnk_
https://twitter.com/intent/user?user_id=500399808
https://nijie.info/members.php?id=27343
https://sketch.pixiv.net/@hrn
https://hrnk.tumblr.com
https://privatter.net/u/_raje_
https://twitter.com/_raje_
https://twitter.com/intent/user?user_id=258336733
http://www.doujinshi.org/browse/author/83052
http://twitpic.com/photos/_hrnk_
http://twitpic.com/photos/_raje_
http://yfrog.com/user/_raje_/photos
