Eternal is the first EP by South Korean singer-songwriter Young K. It was released on September 6, 2021, by JYP Entertainment.

The EP consists of 7 songs, all written and composed or co-composed by Young K, including the lead single "Guard You" and sub-single "Come as You Are".

[5] On August 16, 2021 JYP Entertainment revealed that Young K is preparing to release his first solo album, six years after debuting as a member of Day6.

[6] On the same day, Young K held a V Live broadcast and confirmed that he will indeed be releasing a solo album titled, Eternal, soon.

[7] An hour prior to the official release of the EP, Young K hosted a live showcase, and performed all the songs from the mini-album, in addition to talking about the creative process and story behind Eternal.