Three HYBE girl groups—LE SSERAFIM, ILLIT, and KATSEYE—officially released their special collaboration single 'ICONIC BY MISTAKE' on December 12 at 1 PM. Following a pre-release of the music video and performance on December 11, the track garnered explosive global fan response. The music video ranked #1 on YouTube's Trending Worldwide chart immediately after release and achieved #1 on YouTube's trending music charts in the United States, United Kingdom, Brazil, Iceland, and other countries before the audio release. The video surpassed 10 million views within approximately 30 hours of release. The performance stage clip from Mnet's 'M Countdown' exceeded 3 million views within half a day, recording the highest viewership among all broadcast clips that day. 'ICONIC BY MISTAKE' is an alternative pop track featuring intense beats and unconventional sound design, highlighted by an addictive hook and humorously crafted lyrics reflecting contemporary pop culture. All three groups expressed that this collaboration represents a special opportunity and significant challenge, with members stating they gained meaningful sisterhood through the project.