[1] The album was only released as a digital download to those who purchased all twelve singles in the project.

It featured eight remixes out of the original twelve songs, including "you", which would become one of Kumi's most well-known ballads throughout her career.

[4] The latter album would be the start of a series Kumi would release in the coming years.

The "A Cup of Cappuccino Bossanova" remix for "Birthday Eve" was inspired by the Brazilian music genre bossa nova, which was popularized throughout the 1950s and 1960s and became one of the most well-known Brazilian genres outside of Brazil.

Yamaki has also worked with the likes of EXILE, BoA, Lead and Tohoshinki.