Hi I am Korea and my name is Junghwan Shin.
This video shows about a popular song girl group In Korea.
This video has been watched about 67.000.000 people and many comments have continued.
This popular Korean girl group has been also very popular in Japan for example, they topped the first song of five ranks.
Here is the video.
How do you feel about this video after the video? and do you have any girl group like the group in video? and are they popular in your contry?