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-Both is about ghost
-Both have jealousy between the main lead
-Both storyline is main lead disliking each other at first.
Nonetheless, each of them have their own storyline and is both amazing!!1 :D

The story line is pretty similar, protecting the other one from ghosts and last episode is also about after life so really recommend it!

They are both dramas revolving a career-minded FL who finds peace in the quiet of rural Korea.
The stories are quite different, but both shows have the addition of a makjang revenge plot which is a bit detrimental. This is worse (in my opinion) in Eccentric! Chef Moon. My Husband Oh Jak Doo is a bit more consistent with its premise, but still there are some makjangish elements especially in the second half.

Both of them have Jung Hae In as the Main Lead. The Chemistry between the Leads are also So Good. Even though the story is different, the feeling that both if them give are similar. Both of them focuses more on the leads and not on Side stories.

The genre is almost the same but the story is quite different, nonetheless, Love O2O is really great :D

Both are based on the China dynasty period.
The difference is that, TSOMD is mainly a detective show where they solve case by case but eventually saving the emperor from rebellion. It focuses more on the thing that happen around the royal Palace.
As for nirvana in fire, they focus more on the things that happen in the royal Palace, and the main character is trying to help the Prince becoming the next emperor. You'll see the details about how the emperor works, their concubines and the way the Princes are trying to get their hand on the throne.
Both are equally nice, tho the goal is different.

They're both just such freaking cute dramas. Both ML's start falling for the FL's after she wins his trust. Both FL's are trying to make it back 'home'. Both ML's act so cute and jealous.

Similar feel to the flow of the plot.
Involves blended families and single parent struggles.
MHAA the ML has never been married but he was engaged.

a simple woman met an agent/detective and involve in investigation she has own ability to solve case

-Has young actors and actress
-the actors in both dramas are well known one is Zitao from EXO and Roy Wang from TFboys
- great martial arts skills shown

In both dramas the other of the leads gets dragged into marriage and it's hate to love relationship between the leads. Both have strong ML and FL who is independent and solves problems by herself.

-funny plots
-Both dramas includes prince
-The female lead has a mission so she disguised herself
-funny characters

-Both dramas has a mission that they needto complete or to find
something to save the martial arts world.
-meet different people on their journey and formed a team.
- both dramas has Yound actors and actress and are around the same age

Great and similar plotline. Young actors. Both dramas has martial arts, love and a hero that saves the martial arts world with the help of their friends. It is like a squad that goes on a mission.

Actors are around the same age. They fight evils and go on a mission to complete their quest. Beautiful scenery and costumes. Great storyline has the same features.