If by "pursuing" you mean calling him even after things went south, He probably called him to apologize, like the proper gentleman he is. I mean, they sort of, kind of ended things in a very, very awkward and crazy situation, in a very ungentlemanly way.
I'm so invested. Why Nanjo keep pursuing sunhwa like that?! I really want to know what sunhwa did to stir the afftection of this man. GIVE ME MORE