They’re usually presidents, ceo, son of the vice president, movie star, etc.
Most of the guys in Japanese dramas aren’t rich or sons of ceos.
I really don’t think it is just a Korean thing. Characters in American shows/movies aren’t always said to be rich but if you look at their nice houses/apartments/cars they are rich in my book!!!
I think one reason is that with a rich character it is easier to make basically anything happen. Also they love having the female lead who shows the rich guy that there are things better than money!
Another reason I can think of is that they try to make dramas about something the viewers would dream about!! I think most viewers would love it if they could grab the heart of a rich guy!!!
Here are some good dramas WITHOUT rich male leads!
-Couple or Trouble (Fantasy Couple)
-Mary Stayed out all night
-Gloria (one of the male leads isn’t…)
-Chuno (the male lead WAS rich previous to the begining of the story) (period)
-Take Care of the yong lady
-Cinderella’s Sister (melodrama)
-Que Sera, Sera (melodrama)
-Strongest Chilwoo (period drama)