I mean, as a free little visual novel prologue, it's fine. The art's nice, but that's about all there is to it. It's very short, and the "gameplay" segments they have are extremely bare-bones. It was clearly made with a limited budget, and its existence doesn't really ruin anything else, so only check it out if you want a little more background information before playing the full game. The credits are also longer than the entire game. Not really meant as a serious criticism, just a funny observation.