Koda Kumi. J-Pop Star.

Kumi Koda (倖田來未, Kumi Koda?), (born Kumiko Kouda (神田來未子, Kōda Kumiko?) November 13, 1982 in Kyoto, Japan), is a Japanese solo R&B and pop female singer and also the older sister of J-pop star misono, of the former J-Pop band day after tomorrow. Kumi recently has become a spokesperson for Diet Coke in Japan. She has been featured in 2 of their Diet Coke ads as well as being a model on Diet Coke's posters and banners across Japan.