I don't think NEXT LEVEL is a bad album.  If Ayu had just debuted with it I'd think it was the best thing ever.  It's just... compared to her older albums I felt like this album lacked something.  A lot of her older songs started out softly and then built-up and ended spectacularly.  For NEXT LEVEL I felt like it was opposite.  They all started amazingly and then after the beginning the song just kind of... repeated over and over.  The best example I can think of at this moment is LOVE 'n' HATE.  I loved the beginning but I could never listen to more than half of the song because by then it was just repeating itself without any build-up towards something better.
But like I said, had she not already had so many amazing albums I wouldn't have anything to compare this too and I'd love it 

.
I don't think I would consider it the best of 2009 though.