I don' t think she'll do a global tour. I think the only places it might be profitable to go would be asia, HK, SIngapore like mentioned above. Ayu isen't the artist to paly at animé sonventions and stuff so that's out of the question.
I think that if she made an exclusive small concert one time in some european country, fans would've come to see her. It would preferably be held somewhere in central europe for easy access for most people. I'm thinking of Germany, because she already released some of her music in that country. But other than that,
