On May 5, it was announced that NCT Wish will be releasing their second Japanese single "Songbird" on June 26.

[5][6] A trailer clip, titled Missing Bird in Cupid Museum, was then released on June 21.

[9] On June 30, prior to the release of the Korean version of "Songbird", the single was reported to have 630,000 pre-orders in South Korea and Japan combined.

[1] NCT Wish promoted the Japanese version of the single on TBS's CDTV Live!

[10] On South Korean music programs, "Songbird" achieved first place win on the July 10 episode of Show Champion.