IMO, Ayu is still popular because she has no competition...
I mean, she has competition, but she's the only artist on the market like that...
BoA - Bubblegum pop, English singing, Korean, Doesn't write own lyrics
Ai Otsuka - Very cutesy at times.
Utada - Very powerful voice, unlike Ayu's. And her music is more R&B oriented...
I can't name any artists that are extremely comparable to Ayu in J-pop today...
