Well no doubt that ayumi has left her mark in so many ways or another since her debut in the scene 11 years ago but you have to admit that it's not easy for her let alone any solo artistes to sell so much physical copies of a single as compared to before
that's where boybands come into the pic ...
having said that I respect her work , it's not easy to accomplish on what she has attained from the beginning til now
on the flipside of ARASHI fangirling , they already suppressed the total sales of KAT-TUN's ONE DROP within just 2 days