Yep that’s Etna in 3D cell shaded model! A JRPG game for PS3, called Trinity Universe, another collaboration JRPG (similar like Cross Edge).
Read more to see the full page scans.
This RPG is scheduled for August 2009 for 7329yen. This game uses 3D model and 2D for the CGs (similar to Atelier Rorona) , developed by Idea Factory, Gust, and Nippon Ichi. The game seems to have the angel characters from Gust series and demon characters from Nippon Ichi series. Will post more when there are more news around.
Etna and Flonne in HD 3D model? must buy 😀
Below are the Famitsu magazine scans (click to see bigger image)
picture source: 4chan