I swear girlie has an impecabble wardrobe for work, every single one is stylish and not too flashy and modest. Someone care to tell me where I might be able to find clothes like that?? I'm based in the UK but might pay a visit to Japan or Korea soon

Try searching the person who was responsible for her clothes (custome designer 

The production team really put a 100% effort to properly dress appropriately the female leads. I have seen other C Dramas and they dress them like homeless people. I love the pastel colors and the beautiful outfits overall.