Adorable Yejun from PLAVE

In the Korean comments

The comments reveal the clip’s replay value as a timing challenge. One reads, in translation, “Succeeded on the third try. My sense of rhythm is improving as I follow my singer”; another says that although it only requires clicking correctly, they grinned when they stopped it at exactly the right moment.

What the words mean

뿅 (ppyong, “pop!”) is a playful sound effect rather than a neutral verb for appearing. In phrases such as “이렇게 뿅하고” (ireoke ppyonghago, “popping up like this”) and “여기뿅저기뿅” (yeogi-ppyong jeogi-ppyong, “pop here, pop there”), it makes Yejun’s sudden appearances sound especially cute and lively.