Ayu. I faithfully buy all of her albums, and ARENA TOUR DVDs since MY STORY. If I'm drawn into a single enough, I'll get it - but only if it's really good or comes with good stuff. I have BLUE BIRD CD+DVD and GREEN / Days CD+DVD.
I did buy Utada's USA albums and BoA's debut USA album though. I figure I gotta support my Japanese babes in the states when I can
