[All] The introduction to Holonta Ningning went quickly

I made a mistake but I kept watching it because it was so cute ㅋㅋㅋㅋ It was also so funny when Winter and Karina gave signals from behind ㅋㅋㅋ It was so cute when they noticed while singing and took a break ㅋㅋㅋㅋㅋㅋㅋㅋ