[3][4] The title track bearing the same name as the album was a ballad inspired by French author Antoine de Saint-Exupéry's novel "The Little Prince".

[5] The lyrics for "POOM" was written by Ryeowook, and depicts the words that a son wants to tell his mother but doesn't know where to begin.

"Foxy Girl" is a light mid-tempo dance song, and features rapper DinDin.

Ballad song "Like a Star" help to bring out the clear vocals of Ryeowook, with orchestra and piano music.

[2] In addition to Ryeowook's solo promotions and album release, he held his first solo concert through SMTOWN's The Agit series called "Ever Lasting Star - RyeoWook" from February 19 until the 21st for three days at the SMTOWN's Coex Artium in Samseong-dong, Seoul.