This album is composed of nine songs to meet Jonghyun's music world, which is composed of eight songs by Jonghyun, and deep and colorful songs of all songs.

In particular, Jonghyun released his first mini album "BASE" (bass) in January of last year,
and was loved greatly by winning the first place on various charts with the title song "Deja-Boo" Op.1 ', SM' STATION word 'published by the Heritage of X Jonghyun through' 'IU' depressive watch 'exo' PLAYBOY ',
less than or equal to' breathe ', Lim Kim' No more ', including singer-songwriter in a variety of musical
activities As the album has been recognized for its ability to compose songs and compositions, Jonghyun's interest in the album, which can feel the artist's enthusiasm, is expected to be even higher.