Yeah, it is indeed a great game. Being able to play with eight different characters gives it quite the replay value. It's also awesome as you get to choose who you want in your team. The player only controls the main character, the others are controlled by the AI which is nice since you don't have to scroll through dozens of menu options every turn for each character unlike in most other turn based RPGs such as Final Fantasy. You get the "true ending" for each character after finishing the game with all eight. This gives the game even more replay value as you have to play most characters twice to see their "true endings". The music, graphics, story and overall game is excellent in my opinion.
The scenarios are a little like Rudra no Hihou, but more complex since there's eight characters instead of four (well, in Rudra no Hihou it's actually more like three, the last one is the same no matter who you last played with). It's going to be great once we finish and release it, but that's most likely going to be sometime by the end of next year.