Kumi's performance of "Alone," originally by Mayo Okamoto, had previously been placed on her single Koishikute as the coupling track on December 26, 2012.
Covered songs included "Pink Spider," which was originally performed by hide from X Japan before his untimely death in 1998;[5] Shizuka Kudo's most well-known song "Blue Velvet";[6] and "Shake Hip!
[7] For promotions, Koda Kumi performed several songs on various television programs, including "Shake Hip!"
"Alone," originally by Mayo Okamoto, can also be found on Kumi's 2012 December single Koishikute as the coupling track.
This ultimately led to her being signed to Avex's sub-label Rhythm Zone.