Holds a Ph. D in child psychology from Stanford University.
Is an Unicef Ambassador for Japan.
Recorded a duet with her former song writer/teacher Masaaki Hirao
titled "Hon Kon Kuko" (Hong Kong Airport - literal English translation)
after over 30 years from their first meeting.
Was invited by the crown prince of Thailand to his palace when she was
sixteen. He was later invited to appear together with her in a TV show
in Japan.
Has authored over fifty books, and has over 100 records to her credit.
Recorded her first USA produced English language album 'Forget Yourself' in 2006 that includes a duet with Jackie Chan with proceeds going to UNICEF charities.