Just finished the demo and had a good time. I liked the combat, though was a little thrown off by the... Stop and startnesss? (unsure of if I'm describing it well) at first, which took a bit to get used to, but it didn't make it any less fun. plus made sense for a spell caster to need a moment before attacking.
I also really liked the reference in the last area of it (which I won't say exactly what it is, so as to not spoil anyone that hasn't played yet) and the bit of fanservice in the water area. Wasn't expecting either, but both made the game more interesting. ^-^