ayaka really has one of the most beautiful voices I have ever heard
She doesn't need any music in the background; her voice is still amazing and beautiful <3
Next would be alan, who also has a lovely voice without any messing with it in studios
And then Ayu, who has a lovely voice as well <3
To me, all three have gorgeous vocals, but I can't not vote for ayaka
Her voice is just so stunning and touching that it breaks my heart to see her on hiatus
EDIT: Ohhh gosh, how could I forget Hikki?! *slaps self* She also has a gorgeous natural voice
