It's not the illustartor mentioned in the video. As for the reason, it's not convenient to explain. Please understand that
the original picture is SPRIS clothing in 26, which seems to be a propaganda pictorial in winter.
This is the picture
/7cfyingkgqfm2e88ium _ a/forum/pic/item/5736D9394C56C4EB3b87ce31.jpg
Only one face of LEE JOON GI is used in this PS picture, and the rest is used.
I hope it helps.