The single's b-side, "11 eleven," was a cover of the Cyber X (サイバー・Ｘ) song of the same name. Cyber X originally featured misono in the song when it was released in 2003, when misono was still the lead vocalist of the band day after tomorrow.
The single's B-side, "11 eleven," was a cover of the Cyber X (サイバー・Ｘ) song of the same name. The original version of Cyber X featured misono as the lead vocalist when it was released in 2003, when misono was still the frontman of the band day after tomorrow.