Okay - Kumi Koda・HIRO - 2011-03-02 Your Love - Kumi Koda・HIRO - 2009-01-28 TABOO - Kumi Koda・HIRO - 2008-10-08 Through the sky - Kumi Koda・Hiroo Yamaguchi - 2005-01-19 life - Kumi Koda・Hiroshi Kim - 2004-09-08