I was really impressed by how much voice acting there was in this game! That's a whole lot of VA to get done in 10 days, wow. The character designs are really cute too! I liked how none of the endings were portrayed as "wrong"; with a dilemma like that, all the options have their upsides and downsides, and it really comes down to one's own assessment.
Also, as a heads up, there's a line from Nyx near the end of the first ending where the wrong voice file plays (it's really obvious when you get to it because the text is really short and the voice line is long).