Kumi Koda (倖田 來未, K?da Kumi, born Kumiko K?da (神田 來未子, K?da Kumiko) on November 13, 1982) is a Japanese pop singer from Kyoto who debuted in 2000 with Take Back. She is the older sister of pop singer Misono. Koda did not achieve major success until the release of her seventh single, Real Emotion / 1000 no Kotoba. Her popularity reached a new level 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~.   Wikipedia