From JKS / JKS official

The winners of the authentification event of the purchase
to celebrate the release of New Single [Day by day]
were announced on AG Instagram.

https://instagram.com/p/CUMmjuFJDDy/

Picking up the CD and taking the picture,
Listening to music by streaming,
Watching MV on YouTube,
Using SNS,
Humming the song,

Such every moment of eels
created a wonderful result.

Under the same sky,
We send eels thanks and love.

Please check the behind scenes of ‘Keun Night’
online concert spent with Jang Keun Suk
in NAVER POST.

NAVER POST link = https://m.post.naver.com/viewer/postView.naver?volumeNo=32378719&memberNo=51084315

Thank you US eels!

We received a certificate of your donation yesterday.
We will treasure it.