^ That comes off her "Voyage" album, which I have but haven't listened to in a really long time.
The singer is apparently Korean but grew up in Japan
To be specific,
Wikipedia describes her as a 3rd gen Zainichi Kankokujin. Meaning she
and her parents were born and raised in Japan and may never have even been to Korea but due to the quirks of Japanese citizenship they're still considered "Korean" unless they go through a process of fully giving up their identity as Koreans.
Anyway I'd always just assumed she was an Asian-Brazilian singer; I would've never guessed Japanese nationality. Her English does have a Japanese accent (greatly magnified by hindsight), but it is fainter than even Miki's. Lol, she's a cardiologist too, nice lil side gig.