Modern world? Check.
Existence of a society that navigates through things and events that are supernatural?
A seemingly normal main character who somehow manages to find herself in the middle of all that action, transforming her life into that of a supernatural agent of sorts?
That’s a check. Yep, something definitely seemed similar to me when i saw it in webtoon a couple of minutes ago. It’s a new one i think, but i might be wrong.
Edit: I love that pumpkin headed agent.