宮崎市
Yui was born in Miyazaki, Miyazaki, Japan, and later attended Nakano High School. In 1984, she was the Grand Prix Winner for a Young Girls Comics Magazine. Yui was featured as the main character of the comic "Shooting Star". A year later, she debuted as a singer with the single Natsu Shoujo. Up until the end of 1986, Asaka enjoyed a moderately successful career as a singer and an idol.