Who's that girl laughing on 2AM's Seulong's latest instavideo?

2AM's Seulong updated his instagram with a short video of him wearing a winter suit, and having difficulty in walking like a mascot with a heavy suit, and with a caption #cold.

However, the fan girls out there who were able to see the video were not really concern of something else but of a girl's voice laughing behind it. The ultimate question is, "Who is the girl laughing at the beginning of the video?"

Watch below:

written by: loveluytakyo@dkpopnews.net
SOURCE: instagram/2among