High Quality Content by WIKIPEDIA articles! "Rule/Sparkle" is Japanese singer Ayumi Hamasaki`s forty-fifth single (forty-sixth overall) and it was released on February 25, 2009. The song "Rule" was used as the international theme song for Dragonball Evolution. "Sparkle" is used in advertisements for the Honda Zest Spark. The single became Hamasaki`s 20th consecutive single to debut at number-one position since her 2002 single "Free Easy" on the Oricon weekly charts, making her the first solo artist and the female artist to have 20 consecutive singles to debut at number-one position. It is also her 32nd number-one single on the Oricon weekly charts.