On the October 19th broadcast of Show! Music Core , aespa 's Karina won first place with her solo song "UP" , beating out QWER's " My Name is Sunny " and AB6IX's " My Name is Sunny ". The song "UP" is part of aespa's special digital single, ' SYNK: PARALLEL LINE ', and was previously performed during aespa's ' SYNK HYPER LINE ' tour. It also ranked second on most major music charts.

Karina's emotional reaction to her first solo music show win quickly made the rounds on social media. Following the announcement of her win, she took to the app Bubble to thank her fans, sharing tearful emojis and two teary-eyed selfies. She added, "I'm getting my hair and makeup done so I can't cry. That's why I posted my tearful selfie from before. Don't worry. I'm still too shocked to cry! Not yet!"

Fans reacted by saying, "Saving a crying selfie. Lol. Congrats," "Why did you even take a crying selfie? So cute, congrats," and other comments.