I have played the demo. It's pretty fun. It is kinda like a video game version of Dungeons & Dragons. It's a difficult game, which means you may have to take frequent stops at the inn for healing and to revive dead party members. I'll rate each aspect on a scale of 1-10, and then give an overall rating.
Gameplay: 9/10
Graphics: 8/10
Voice acting: 7/10
Character Design: 8/10
Music: 8/10
Story: 8/10
Sound effects: 8/10
Enemy design: 8/10
Overall: 8/10