I've read both your updates and the raws when I see a new chapter, and some dialogues/sfx lacked coherence or were translated differently from how I understood it (granted I'm not a native Korean speaker and I personally use online translation with words I don't know* and context) so it could be...
I'm not quite sure, but I've come across the term young-ae before and it usually means lady (or something similar). Since you said it's mtl, it's similar to the others that thought it was a name. Just saying that I'm not 100% sure. Anyway thanks for picking it up. If you didn't say, I wouldn't...