She is set to debut in co-ed group ALLDAY.
THE BLACK LABEL recently announced they were debuting a co-ed group called ALLDAY.

Despite rumors, it was shocking to see former ILLIT member Youngseo as part of the lineup.
On June 13, ALLDAY released a video looking at all the members.
In the video, Youngseo explained that every time a group was set to debut, her name was thrown about to debut. Yet, she had to keep a low profile until it was announced that she would debut with ALLDAY.
Youngseo shared her love of being a trainee and how much it suited her personality.
Unsurprisingly, she seemingly referred to her time at HYBE, explaining that she had been with them for so long that after leaving, she was worried that she was “too old” to be an idol.
Rather than get upset or mope, Youngseo explained that she took matters into her own hands, sending DMs and clips to companies.
The idol shared that it was through this and clips she sent that Youngseo got into THE BLACK LABEL.
Netizens shared their reactions to the heartbreaking comments from Youngseo, whether it was her worries about age, which is a huge debate in K-Pop, and that she had to do so much to get another shot at debuting.
https://x.com/nikiseom/status/1933467741677367345
19yo youngseo thinking she was too old to debut is now debuting as the maknae 🥹 pic.twitter.com/6ejRnFkqLJ
— lune (@nyangzeoz) June 13, 2025
i had been with one company for so long and when i finally left i was a bit old an idol
Omg youngseo 😭😭😭😭 pic.twitter.com/Q6riTgqGzu
— 🍏 (@chloepradas) June 13, 2025
this makes me wanna dai thank you for not giving up youngseo 🥹🥹 pic.twitter.com/ct9KRh3uIh
— ً (@idolyseo) June 13, 2025
the fact youngseo was so desperate to debut she had to dm labels sending materials of herself
belift is just evil https://t.co/CbeHvuplEH
— farnie 🏎️🏁 (@forNJZs) June 13, 2025