the female lead has a childhood trauma (raped by her father/foster father) that affects her to the present day
one of the differences is that in the revenge she thinks its natural, normal but in bad beauty, she knows its wrong

both deal with artefacts identifying which are real and which are fake. they also both have an investigation incorporated into the show

the main lead is chased by the police. his identity is hidden by a mask every time he is on a job.

a trickster thief who is stealing to take down a bad guy. who makes a fool of the police

the way they have set up the scene. sitcom-like show. the inner conflict of one of the main characters in figuring out he likes a guy. that and the weird sound effects that randomly appear in certain situations.

both has a main character that is hated and hunted by the world. both learn a secret fighting technique that can beat almost a other forms.

both dramas have a character that can`t stand corruption and do whatever it takes to take it down

both dramas have a character that can`t stand corruption and do whatever it takes to take it down

has a weird, peculiar main character that helps the people around her be better and think in an out of the box way

the main lead has a power that he doesn`t necessarily want but finds a place where it is needed and can be useful

both are set in a place that is not really accessible to normal humans. has supernatural powers/ creatures in it which are woven into the story. the main character gets a job there and realises that his past life (hotel del luna) and power can help the people there (midnight museum)

both shows have a quirky main character that has his own way of doing things but always gets the job done