I decided to compile  Making or Behind the Scenes Videos from 1-12 in this page.  Some may have subtitles in English.

This is a new video by KYR125 SUBS.  Thank you for your hard work!

June 5   Episode 11

May 30  Episode 10

 

May 26  Episode 9

May 23  Episode 8

May 22 Episode 7

May 16 Episode 6 

May 15  Episode 5 

May 8  Episode 4 

Update June 3: KYR125 translated great part of this video:

 

May 7-8  Episodes 3  & 4 

May 7 . Episode 3 

May 4.  Episodes 2 

This first one is my favorite so far!   It shows how they filmed that slap!

Update June 3: KYR125 Translated great part of this video:

May 2.   Episodes 1 

April 23.  Making 3. (The Poster Photo Shoot)

April 11.   Making 2:

English Subtitles, My cut:

Original in Korean:

 

April 4.   Making 1:

English Subtitles, centered on Yuri: