Both shows are survival music shows. The unit aims to help desperate singers who may have struggled to become popular or not had the opportunity to be part of a group to debut as a new K-pop group. Whereas K-pop idol aims to discover the next big music star regardless of the type of singer (ballad, K-pop, trot, rap etc.)

Both of these TV shows revolve around dating. While SI revolves around a group of singles trying to find their perfect match, CD deals with four couples who date one in other in order to determine whether to stay in the relationships they are already in or move on to another person.

Both drama's centre around a group of women, mothers in GMC and three sisters in LW. They are both murder mysteries. However, GMC focuses on the death of one of the mothers whereas there is a series of deaths in LW. There is also similarities between both dramas as there is a topic of the rich vs the poor.

Both are dramas are long running, however OWRD has shorter episodes approximately 30 minutes. They both have a focus on families who run a food business (soy sauce and tofu). While WHTMF displays the lives of an average humble family, OWRD has a rags to riches tail both for the antagonists and the FL who disguises as a male to gain the power to protect her family.

Both dramas follow a group of youths in their musical pursuits. In heartstrings there is a rivalry between the ML if a band and the FL who is traditional musician. Through the course of the drama they work through their differences and learn how to make a performance inclusive to their respective genres. In PGHR, a group of childhood friends have a rift between them due to a misunderstanding during a talent competition. Although they end up separate in their musical endeavours, the truth begins to unravel as the drama goes on. Both dramas also star idols in their cast (Henry Lau, CNBlue etc.)

Both of these dramas are romances centres around sports. Twenty-five Twenty-one focuses on fencing while cheer up revolves around a college cheer squad. Both drama's have FL as their main centre character, however on a few occasions the narrative in Twenty-five Twenty-one switches to the ML and also the FL daughter. There is a sense of mystery to both dramas; in Twenty-five Twenty-one you are constantly left in a will they won't they state regarding the main character relationship, whereas Cheer Up is more mysterious in that someone is out to get the FL.

Although D.P. is a shorter series than CLOY, it is just as good. CLOY centres around the FL building her relationship with the ML, whereas D.P. showcases the different stories of military defectors with every episode. Both dramas are centred around the military; however, they differ as CLOY focuses on how the FL tries to escape North Korea and D.P. focuses on how South Korea military try to escape for various reasons.

Both are BL drama's which start with one character admiring the work of another. Though the characters have adversities they find themselves drawn towards one and other.

In The Sound of Magic the FL, who is unhappy due to unfortunate circumstances in her life, befriends a Magician who begins to teach her magic. Similarly, Moorim School revolves around a group of students who attended a mysterious school due to having mystical powers such as magic.

Both dramas have a similar feel due to being fantasy based with the characters having inexplicable powers.

Falling into your smile is a romantic Chinese drama which shows how a girl is the first to join a professional eSports team which is a male dominated industry. While Rich Man is a Korean drama which shows a romantic development between the CEO of game development company and an office worker. Both of these dramas have idol celebrities as their leads (Rich Man - Suho, EXO; Falling into your smile - Cheng Xiao, WJSN).

Both dramas showcase the lives of office workers. Both have main leads who are interns in their respective companies and showcase the struggles they have to gain a permanent employee placement.