Tak Matsumoto
She has also collaborated with Tak Matsumoto of B'z on the single "Imitation Gold", which peaked at number one on the Oricon Singles Chart. In 2009, she was featured on the single "Sunao ni Ienakute" by Zard, a rearranged version of the band's 1999 song of the same title. The single peaked at number five on the Oricon Singles Chart.