It was released by Cube Entertainment on July 8, 2024, and contains four tracks, including the lead single "Klaxon".

On June 10, 2024, Cube Entertainment announced that (G)I-dle would be releasing their seventh Korean extended play on July 8.

[3] Six days later, the track listing was released with "Klaxon" announced as the lead single.

[8][9] The extended play was released alongside the music video for "Klaxon" on July 8.

[10] Prior to the release of I Sway, on July 8, 2024, (G)I-dle held a live event called "(G)I-dle 7th Mini Album [I Sway] Comeback Live" on YouTube and Weverse, aimed at introducing the extended play and connecting with their fanbase.