^You even have Sowelu? At least in TOP40.
And I've got my list updated a little.
Kumi Koda
Jade Valerie (even though she is not Asian, she most known in Asia).
Ayumi Hamasaki
Sowelu
LISA (m-flo)
Also like:
Namie Amuro
MISIA
BoA
alan
NO NEW SWEETBOX!!