Originally it was painted as promo art featuring cute fairy character for "Legend: Hand of God" videogame. I don't know if they ever use it though.

Now it's featured in EXOTIQUE 3 book by Ballistic Publishing as well as in Art Scene International magazine.
It was also printed on cover of POINT-2 book, a stunning compilation of digital art (like Expose series from Ballistic). You can see some page samples here.