OMGOSH YES u should try her. She is REALLY good <333
Aw I'm surprised u don't like Ai-chin XD! lol oh well =) I recommend Mika Nakashima (Legend <3)! lol Ami Suzuki (FREE FREE on her DOLCE which was released recently =3)! And Nami Tamaki (Realize was all I liked I Think wait another song to but forgot!) and BoA =3