all time ultimate favorites
Ayumi Hamasaki
Namie Amuro
Koda Kumi
Aoyama Thelma
Utada Hikaru
girls' generation
Mai Kuraki
RURUTIA
KOKIA
Hitomi Shimatani
Sifow
Rie Tanaka
Perfume
Mika Nakashima
Melody.
Ami Suzuki
BoA
alan
there are many others that I just wont add here bcos it doesnt feel right
(now that sounds smart)