Written by Ryohei Matsufuji, Philippe-Marc Anquetil, Chris Lee-Joe, and Emma Rohan, the single was released on September 23, 2009, by Universal Sigma.
It was also the lead single from her 23rd studio album Diva.
[1][2] "Diva Single Version" was Nakamori's first single in three years, after the 2005 release "Hana yo Odore".
The first B-side "Heartbreak" is the original mix of the song included in the album Diva, while the second B-side "I Hope So" is a remastered version of the title track from Nakamori's 2003 album I Hope So.
[2] "Diva Single Version" peaked at No.