Put it at the very start of a fan edit to introduce Mingjeong, then follow it with a shocked meme sound when she turns toward the camera, and use a goofy yell for the moment she finally answers back.
이 사운드에 대해
This is a short voice clip, just under two seconds long, of Karina calling out the name Mingjeong with the soft Korean vocative ah at the end. The delivery is warm and playful, and it lands as a sweet, lighthearted call rather than a joke or a shout.