I too have to admit some of her costumes over the last concerts haven't been flattering, but as long as Ayu feels comfortable in it and it serves its purpose on stage, why not? If you don't like it, you don't have to wear it, right? I just say personal taste!
Also the shoes. What if she does stumble on stage with sky high heels and breaks a leg or worse and has to cancel or postpone the tour. You all (at least those trying to attend concerts) would be more that pissed and blame her for her stage shoe choice again.
She can't please everybody. Just let her do her thing!
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