Bringing her international acclaim with Kill Bill Vol. 1, Chiaki Kuriyama is once again making her debut as a singer with her single, Ryusei No Namida. The song was chosen as the theme song for Bandai's latest Gundam project, Mobile Suit Gundam Unicorn. Kuriyama had earlier attended a screening of there series with director Kazuhiro Furuhashi and writer Harutoshi Fukui at The Grand Cinema in Hong Kong on February 6, 2010.

Sony Music has also announced that the single will be making a future American release soon, so stay tuned.