Art Style, Setting and Sound fits very well together and provided a really enjoyable experience. I absolutly loved what you did with the theme, because I was like "Ahhhh" when I found out what "Wind" actually did. I was expecting some kind of time travel or similar. That was very unique.
In terms of gameplay: I think the game didn't really had much for the player to play. It was a bit more like a journey. It worked pretty nice as that and you absolutly had my heart with your grandpa. It's really cool, that you dedicated that for him :)