some of my favourite edits I've found on youtube:

Ja Eun x Tae Hee | When you look me in the eyes 

you and me (ryan star)

I'm everything I am because you loved me... (Tae Hee & Ja Eun) (Ojakgyo Brothers) 

fix you

Tae Hee & Baek Ja Eun // You have stolen my heart

Tae Hee & Ja Eun | Gotta Be Somebody

ja eun x tae hee - because it's you MV

Tae Hee and Ja Eun so "Far Away"

One Day, you will come... (Tae Hee & Ja Eun) (Ojakgyo Brothers)

OB • This wouldn't be...

OB • Can't Take My Eyes Off You //

OB • ◘ TRYING TO FIND THE LIGHT *.Short MV - song: ships in the night

OB • A Thousand Years 

here is a whole playlist of vids of them: 

https://www.youtube.com/playlist?list=PLNKmhOrLZPRDuRwkbvisV1jkEHBnCPOj4