Sequestro Noturno (2019)

In both movies the plot focuses on a female main character who's trying to escape from a stalker/killer. They're quite dark and have some bloody scenes.

It reminded me in a way, because the ML is dangerous and creepy but somehow deeply in love with the FL. She is trying to escape, but has to play along to some point.

Plots focus on a young lady trying to escape from a stalker/killer. Dark and bloody themes in both.

They both are thrillers (Watching is more obvious about it haha) and they both also have a ml who isn't very normal and who "loves" the fl (who is btw played by the same actress in both movies). The movies also have a plot twist (one stronger than the other) which makes the story even better.

this one isn't horror but the concept is very similar.
someone gets kidnapped for purpose to put up a show for rich people, being watched by cameras and streamed.

both about a girl that is being "hunted" so to speak by an insane killer. they are pretty similar, but I like 'watching' better than midnight. but if you like one, you'll probably like the other.

Both movies narrate the kidnapping story where the female lead struggle to survive. Interestingly, the FL in both movies are Kang Ye Won.

both movies delve into the dark, twisted and manipulative minds of psychopaths/killers. both are really good thriller, slasher, murder movies. both contain a good amount of blood, and death. there are some differences, like obviously the plot, but if you like this genre of movie you will most definitely like them both.

both have murder, gruesome bloody death, thriller and horror. (although killer toon is more a 'supernatural' kind of horror, while watching is a slasher kind of horror. they both have good addictive plot which will keep you on the edge.