On June 3, 2024, High Up Entertainment announced that STAYC would be releasing their first studio album titled Metamorphic on July 1.

[6] Prior to the release of Metamorphic, on July 1, 2024, STAYC held a live event aimed at introducing the album and connecting with their fanbase.

[7] Additionally, to commemorate the release of the album, they opened a pop-up store event in Seoul, South Korea, running from June 28 to July 21.

Gladys Yeo of NME praised the album for showing the girl group's musical range, writing that STAYC "pushed themselves to their limits, exploring a myriad of new soundscapes and subject matter.

"[10] Han Sung-hyun, in a mixed review writing for IZM, described it as a "passive collection of attempts that lack the symbolism of a first full-length album.