One is the first season whilst the other is the second season. Supporting characters are the same in both but main characters change.

- Both are fluffy romances
- Both are college themed (LCDF is based in college whilst MNCS has a college in it)
- Clever ML with an average FL

- Same fluffy romance theme
- PYHMS is cohabitation whilst MNCS is just them sleeping next to each other due to the ML having insomnia
- ML are quiet, cold and talented in their subject area whilst FL are loud, cheery and bubbly.

- Both have a student/teacher relationship
- Both are medical dramas
- Doctors is more focused on the romance element and the developed of the characters from high school to work whilst Doctor John is more about the medical aspect and euthanasia with the romance as a background.

The ML and FL only meet for a day where there romance develops really quickly. After that they are separated until they meet again by chance which causes their romance to re-bloom.

Both dramas have romantic fantasy genre where the female lead can see ghosts. The male leads are also not human - in Goblin the male lead is a goblin and in AKO the male lead is a demon.

Both dramas have the main male lead lacking in emotion and using it to better themselves in their jobs (ABM=Medical, S=crime)

Both are cute fluffy romances about a relationship between boss and employee.

Both dramas have a similar feel with the main leads having a childhood connection between them. They're both cute, fluffy romances that make you love the main leads so much. They also have hilarious comedy.

Both are Korean dramas about an ordinary girl becoming a princess and learning that life as royalty is not all glitz and glam. Also both dramas have a romantic theme of hate turning into love.

Both dramas are about a group of people getting a letter accusing them of having been a part of a murder/suicide which causes them to try and find out who truly killed the person/why the person committed suicide.

Both dramas include lawyers who solve a crime that is close to home. In Defendant the victims were his wife and daughter whilst in Whisper the assailant is his new bride and her lover (so he his less inclined at the beginning to solve it). In both dramas they have a female helping them solve the crime. Both have similar feeling to them as well.