What are the problems with the Secretary Kim novel?

Well, some readers might find the plot a bit predictable. The character development could also have been more profound in certain aspects.

It's a story that continues the charming relationship between the main characters, with new challenges and romantic developments.

It's popular because of its engaging plot and well-developed characters. The story keeps readers hooked.

It could be a variety of things. Maybe the plot is too predictable or the characters aren't developed well.

Maybe it's because of its popularity and wide appeal. Many people around the world want to read it, so it was translated into English to reach a larger audience.

Maybe the plot development is a bit confusing or the character designs don't appeal to everyone. It could also be that the story pace is off for some readers.

Perhaps there are issues with the consistency of the world-building or the way the relationships between characters are portrayed. Also, the level of drama or comedy might not hit the right mark for some.

It could be that the art style doesn't appeal to everyone. Or perhaps the storylines are too predictable and lack surprises.

Could be various things. Maybe the storylines are too predictable, or the romance aspect isn't developed well enough. Different people might have different complaints about it.

It could be that the plot development doesn't meet readers' expectations or the character portrayal is off.