O Dia (2023)

Different plots but both dramas have bratty girl character and due to certain circumstances an adult have to stay and take care of her.

Father going to the extreme to save sick daughter.

In both dramas the daughters and there is limited time to save them.

Both dramas have an overall darer vibe but has some light moments here and there.

Both revolve around adults who attempt to use kids for their own interests and then end up growing attached to them.

Similar dynamic between the 2 leads that is the father-daughter relationship. Though Oh my Geum Bi is a bit more depressing but has its fun bits here and there

Both Psychopath Diary and The Kidnapping Day are crime dramas with dark comedy that feature Park Sung Hoon.

they're completely different but the male lead in seobok and the female lead in the kidnapping day they are both treated like experimental subjects and they both need love and sympathy ..

The plot is similar in terms of that the kidnapper is not a kidnapper, in Mother kidnapper took the child for her safety and later they became mother and daughter and in this series, kidnapper took the child to extort money, but the child and kidnapper becomes friend and share strong relationship over the period of their time together. While police chases them, the child lead the kidnapper instead kidnapper.

Jeong Jin Man is like Kim Myung Joon but smarter and Jian is like Choi Ro Hee. They share a similar dynamic as those 2 but more serious.