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.
both main characters help lost souls pass on by investigation. the main lead has power they don't quite understand and can see things others don't. which puts them in dangerous situations in which they have to figure a way out.
apart from being different gender, both main leads are heirs/heiresses to a company and both are trying to get their family company back from the person who stole it. apart from that the other parts of the story are completely different
the main although different genders are quirky, down-to-earth interesting characters with alot of depth. both shows are based on some sort of investigation.