Kumi Koda (倖田 來未, Kōda Kumi) (born Kumiko Kōda (神田 來未子, Kōda Kumiko) on November 13, 1982) is a Japanese pop singer who debuted in Japan in 2000 with Take Back. She's the older sister of Japanese pop singer misono. She did not achieve major success until her seventh single, Real Emotion / 1000 no Kotoba. Her popularity reached new levels in 2005 after the release of Secret) and Butterfly . Later that year she became one of the best selling artists of 2005 with the success of Best ~first things~. At the end of 2006, Oricon named her the top seller of 2006.