She's probably a girl from the game in which this artist was committed as I recognise the game company : C:Drive.

http://www.getchu.com/soft.phtml?id=688512 (game name needs translation)

Title is "Ren'ai Saimin ~tsun na kanojo ga dere ru samin ~ shyokaihan" roughly translates as "Love Hypnosis ~ a tsun girl turns dere through hypnosis~ first edition"

I doubt the words tsun and dere need translation on a site like danbooru, lol.