It's from the "SaGa" series. You may remember that there were two SaGa games on the PSone. SaGa Frontier & SaGa Frontier II. It's a very different style of game. Nothing at all like Final Fantasy.

Here's the U.S. preview for the game. Gives you lots of info plus some screenshots of the game.

http://ps2.ign.com/articles/387/387168p1.html