With the split between North and South Korea isn't families of both sides were torn apart when the country got divided. Both movies narrate the searching of lost family members.

Both films about the relationship of friendship and love between humans and ghosts. In both films, there are humans that can see ghosts and have a positive relationship with the ghost main lead that is a "good ghost".

both films are about detectives who fall in love or feel attraction for the main suspect of the investigation, an eventually the real killer, a young woman married to an old rich man.

Very long film about the daily life of the working class their decline after the industrial factories on the area are closed.

Transgender women as Main Leads
Family estrangement
Maternal bonds
Marginalisation, Transphobia & Discrimination by society and Institutions

Both films present the topic of physical appeareance, the relationship with our own bodies in terms of how we are viewed and recognised by others and how we identify ourselves with our own body as part of ourselves.

In The Beauty Inside, the ML, Kim Woo Jin, was played by over twenty-one different actors since the story is about a man who transforms into a different people/ bodies everyday : a man, a woman, a foreigner, even a child. Therefore, he can't have a normal and average life as others.

Both films in Post War Japan with prostitutes female leads that must survive.
They are both sent to a Rehabilitation Centre/ Women Reformatory.
Both denounce that part of the way of living of prostitutes is a direct consequence of an act of sexual violence that doesn't let them live a "normal" life.
In "Women of the Night", Kinuyo Tanaka is the female lead. In "Girls of the night", she is the film director.

Both Female Leads are in a quest of revenge and become serial killers after suffering a great abuse or injustice.

Both females leads's journey show the passage from innocence/ naïveté into an outraged realization of all the injustices of the world.

Both films are about a family who aren't all they appear to be: they form a family in which not all of the members are necessarily related.

Both films question the notion of "traditional family" as they show child abuse and other aberrations the members had suffered in the past. What if the fake family is more real than the original one? What if real happiness comes from a chosen family in which bonds are not by blood?

Set Play and Call Boy are both films about young male prostitutes that sleep with older women. In Set Play de ML is a minor, in Call Boy the ML is an university student. Both show explicit sex scenes.

DEFAULT is bout the economic crisis that led to the IMF bailout, an event that brought many foreign investors into the Korean marketplace in an attempt to stabilize the economy. The results impacted the average Korean family in a multitude of ways, especially to the tune of price hikes and large-scale unemployment. Black Money, also based on a true story, was born out of the lingering residual effects of that crisis.

Both are about a relationship between a transgender and teen. In both, the mains leads develop a mother- daughter bond.