Are we sure they arent same person?

But they are in two different places at the same time...

And they have different eye color.

There can be time skip, no?

Well, our mc can change his eye color too

Ja yooung can change his eye color at will, we saw that in the last chapter.
Sorta spolier below...












No time skip. I was looking at the raws before trying to figure this out. All I can confirm is they are two different people....the red eyed guy's suit stays spotless but K's guardian/friend has a blood stain from where K collapsed on him in the subway.