pioneru
Artist.
Japanese name: ぴおねる (Pioneru, the artist uses this spelling: "pioner")
See also
* Pixiv account: http://www.pixiv.net/member.php?id=5623006
* DeviantArt account: http://pionersh.deviantart.com/
* Privatter account: http://privatter.net/u/pioner_sh
* Twitter account (1): http://twitter.com/pioner_sh
* Twitter account (2): http://twitter.com/pioner18sh
* Mastodon account: http://mstdn.jp/@pioner_sh