I'm sorry, I immediately laughed when I saw the last panel. Do you know what I think? The typical sweet-but-dumb girl.
Just like some people pointed out, they broke up for her carreer and now she's still acting like she's JeongSeok's special girl. He's obviously okay because he's busy helping injured people, even the driver knew that.
Don't call him just to say you're worried, sweetheart. Crying won't solve anyone's problem.