Lyn is filling the year-end season with her signature emotional vocals.

Her agency 325E&C announced the release of her new single Once My Everything through official SNS channels. The track was composed by Ahn Young-min of Rocoberry, with Lyn writing the lyrics herself, promising a lasting emotional resonance for listeners.

Lyn is also preparing for her solo concert HOME, set for November 28–29 at the KEPCO Art Center in Seoul. The show is a long-running staple, now in its 11th consecutive year. She plans to showcase the peak of her live performance and expressive depth, with the new single also included in the setlist.

Lyn's latest release will be available on major music platforms at 6 p.m. on November 18.