The soundtrack is by far the best aspect of the game. It's one of the greatest things I've ever heard.
The story hit in places I never expected and the writing was pretty genuine for the most part.
Unfortunately, the gameplay feels like an unfinished tech demo, so if depth is what you're looking for, it's not here.
If you can get past that, there is a wholesome yet emotional story you'd expect from any other Mahou Shoujo media, backed by a stellar OST.