Similar in that there's an accidental pregnancy between a young still in school couple and the families are somewhat dysfunctional.

Heard it Through the Grapevine is MUCH better than Goodbye to Goodbye though.
Less makjang and hilarious almost borders on dark comedy.

It's set in the making drama production world this time focusing on directors and some writers. It's interesting to take a peek of how the lives of people who write and direct what we watch probably unfold and it's very well written too.

Both are investigative and have some romance, this one takes place mostly in an airport though.

Shows how things are behind the scenes making and producing dramas and tv shows. They're also both made with interesting story lines not boring at all.