The only real complaint I have about this piece is the writing/voice acting for the dragon/spirit guy. It's kind of odd that all the other character have really natural sounding voices with normal dialogue, while that one character has an awful voice and unconvincing writing. Dunno.
Other than that, this is a light-hearted musical cartoon with flashy colors, sickeningly cute characters, and a catchy beat. If this were a series, I would definitely keep an eye out for future installments.