This is lovely on many different levels. The music is pleasant, the sprites are cute, the backgrounds are vibrant, the animation is unexpected, but somehow works. Not much to comment on with the story, atm, but there is potential.
The demo is a little wobbly, though. I keep getting paired up with both Amaris and Sabre at the same time, with the same situations playing out 2 times in a row, Sabre 1st, then Amaris, ending with their sprites overlapping. Also, after peeking at Gilbert's route preview we're given a choice to watch Estelle's, and it plays regardless of whether yes or no is picked.