She had a brief few years stint as a J-Pop singer before getting knocked up by her stylist and having a shotgun wedding, eventually culminating in her washing up and getting divorced. She's quit the business now.
No. She was a fairly popular singer like 4 or 5 years ago and released an especially good album " Communication!!!" than got pregnant, married, and divorced. She has not released anything since
Sales are so irrelevant. Utada, Ayumi and Ai make the best music. Then Chihiro, alan are Perfume are a step down. That's the only truth everyone should accept. When a local song like TABOO is y'all's favorite then it's clear Kumi is at the bottom of the stairs.