Artist.
Artist name: "S." or "es"
The other names: "Ｓ..." or バラデラス14世 (Baraderasu XIV)
https://www.pixiv.net/stacc/torat
https://www.tinami.com/creator/profile/17822
https://www.pixiv.net/users/936598
https://twitter.com/_tirumi
https://galleria.emotionflow.com/9570/
http://twitpic.com/photos/_tirumi
http://yfrog.com/user/_tirumi/photos