I don't like allmusic reviews... I somewhat find them too conservative...
But most professional reviews concerning Ayu discography obviously were done in Japanese/Chinese... some were translated and posted on the forum...
Some:
http://www.ahsforum.com/forum/showth...ssional+review
http://www.yesasia.com/global/yumcha...al-review.html
http://www.yesasia.com/global/yumcha...al-review.html
http://www.yesasia.com/global/100519...0-en/info.html
http://www.japanator.com/the-best-ja...0485.phtml#ext
http://www.ahsforum.com/forum/showth...t=review+level
There is also a japense magazine review for NEXT LEVEL posted on the forum, but couldn't find it^^