What's Wrong With Secretary Ji?

The day CEO Baekhyun decided to have Secretary Ji call him Oppa, everything changed.
The day they accidentally met in the hospital, everything changed.
The day Secretary Ji moved in with him, everything changed.
The day she left him, everything changed.
-----------------------------
I actually posted this story a while ago on Twitter, but since I'm on a mini-break from writing long Baekhera fics now, I thought it'd be a great idea to post it here~