An ordinary person bumps into a criminal, and they start living together. Although the plots are different, they have the same feel as they gradually begin to understand each other and become attracted to each other.

the male leads are the same. similar storyline. has a slightly different feel though. The era is different too. the dynamic between the 2 male leads is the same to an extent

similar vide. Both have a mother who thinks she knows what's best for her son and doesn`t allow anyone to tell her otherwise. Both have 2 strong female characters. the mother in both wants to destroy the assistant in one and the wife in the other but the mother realises that this woman is beneficial to her son in many ways. which makes them come to an understanding in the end

both are set in a school-type setting with a band trying to make a name for themselves. only difference is that one is focused on the band and the other focuses more on the characters

both set in university and live next door to each other. they develop a relationship although it is unconventional.

an unhealthy girl meets a cold doctor. the doctor helps her. as they grow to know one another better. they start to change each others perspective in life

They both have doctors in them and those doctors were controlled by their parents their entire lives until they meet someone who helps them be free from that control. their parents think this new friend/lover isn't suitable for them so they try everything they can to destroy the relationship. but that independence they gained from their parent because of this new person isn't easily shattered.

they both have the son a conglomerate who runs away and ends up on the streets. but comes back after something happens to his father and to solve a mystery that involves his family and the woman he used to love and still does

the romance of both shows seems very familiar and they both involve time travel of some sort.

the main couple has the same feeling between them. with the male lead being cold decicive and focused and the female lead being warm kind and caring towards him changing him for the better

both male leads volunteer to sacrifice themselves for the crown prince to protect him. this results in them going through hardships and being tortured. resulting in a long-term disease that can not be cured. one of the differences is that the crown prince in one remains in the palace protected whereas as the other the crown prince is hidden away again protected. political intrigue betrayable, romance and revenge

both are bl and both are about a twin taking his brother's place in order to find out what happened to his brother. One has a corrupted organisation/politician that the group of friends are trying to take down and the other is more about sex workers.