Cute!
I love the art, music, etc. The in-game gif maker is a cool touch as well. I would recommend making the text read out instead of displaying all at once, though. It's always tempting to skim when the whole text box appears at once, and it kinda kills the pacing of the rhymes at the beginning. The dialogue is pretty fun and I wouldn't want to skip it.
Also, I'm not sure if this is a bug, but Mission Select dispalyed the name of the next mission even though it wasn't in the menu: 