Ayumi and richness

[anna_ayu]

I read an article about tourism in Japan and I´m curious about an info.

It´s about the most famous cities of Japan to visit and Fukuoka was listed. The article said that Fukuoka is a cultural city and important in musical scenery, because many Japanese singers was born in Fukuoka and it listed some names and Ayumi, of course, was there. So the article said that Ayu is allegedly the most rich woman in Japan. Anyone knows if can be true?