It's a mix

From Fool's Love...the many faces of  Choi Woo-shik make this K-drama work. I've never seen him in a role quite like this. Its easy to see why he's in the top Korean actor's list!

Linus' blanket - Kangaroo

https://www.youtube.com/watch?v=2Ht9z3Wv69U

Taylor & Zayn - I don't wanna live forever

https://www.youtube.com/watch?v=xKFypbY5c3M

Dj Snake Ft. Selena Gomez - We Are Meant To Be

https://www.youtube.com/watch?v=DeR6hFKeEVU

Justin Bieber - Who To Trust

https://www.youtube.com/watch?v=joFH6MN0K8c

Selena Gomez ft. Justin Bieber - I Don't Wanna Live Forever

https://www.youtube.com/watch?v=e57Y-vwCtBo

Justin Bieber - Do You Right ft. Shawn Mendes and DJ Snake

https://www.youtube.com/watch?v=Czi8NlmuEXs

AOA- Bing Bing

https://www.youtube.com/watch?v=dfMELZBBVRY

Seventeen - Highlight

https://www.youtube.com/watch?v=A956lNNVTz0