- both protagonists are high school students
- both protagonists have very toxic family relationships
- both stories revolve around teenagers who try all sorts of illegal things to get money
- both stories touch on societal issues and mental health (tw: violence, bullying, self harm)

but, extracurricular is a show while young adult matters is a movie. and, their motives for illegally getting money are different from each other.

- both include the female lead discovering they are in a story (tv show script for the romance of tiger and rose and cartoon for extraordinary you), though in the romance of tiger and rose the female lead wrote the script but in extraordinary you she didn't
- both female leads try to change their fate the stories have in mind for them
- in the beginning both male leads live in oblivion
- both shows include a love triangle

though some little differences are...
- in the romance of tiger and rose the female lead gets drawn into a tv show script but in extraordinary you the female lead finds herself living in a cartoon
- in the romance of tiger and rose the female lead wrote the script as she is the screenwriter thus she knows what is supposed to happen but in extraordinary you the female lead didn't write anything
- the romance of tiger and rose is way more focused on comedy than extraordinary you

- both are adaptions from BL novels
- both pairs are inseparable and have amazing chemistry
- both stories partly revolve around finding the missing pieces of a powerful object
- both have one male lead who takes the ''wrong'' path -> Wei Wuxian from The Untamed by practicing demonic cultivation and Wen Kexing from Word of Honor by becoming chief of the ghost valley

- both have male protagonists
- both stories highly revolve around survival
- both portray humans' raw greediness and herd behaviour
- 1st one is about malicious games, 2nd one about human monsters
- gore gore gore gore gore gore gore and some more gore

Though very different in some aspects, some themes and the protagonists' characters felt very similar to me.

- both stories highly revolve around royal politics
- both stories' romance is linked with the royal families
- both protagonists come from outside the palace but come to play a huge part in it
- both protagonists are smart, strategical thinkers and often way ahead on what steps others take
- both stories shed light on thoughts about their origins, be it their ethnicity or family, and what that means to them

- both stories have fantasy and romance as prominent genres
- both revolve around romance and are relatively slow-paced
- both male leads aren't human while the female leads are
- both male leads visit earth to fulfill their missions but fall in love with both female leads
- both give off similar bittersweet vibes as the male leads are supposed to leave them

- both have strong female leads
- both female leads have to pay hundreds of years for their sins
- both have supernatural elements
- both include the stories of people who died / have grudges
- both have flashbacks of memories in historical korea

- both leads have lost their loved ones in an airplane crash
- both revolve around finding out the turth and eliminating the bad guys
- both leads have to go up against higher powers
- both include a lot of action, crimes and investigations

- both are set in parallel worlds (comics)
- both have characters who don't realise they are in a comic
- both female leads are quickly self-aware
- both revolve around romance and changing their fate

- both have human leads pretending to be AI (robot and hologram)
- both human leads fall in love with the AI characters
- both include companies trying to steal the AI technology
- both portray loneliness

- both have a lot of comedy
- both have strong female leads with great physical strength
- both female leads don't like the male leads at first
- both are lighthearted and have lots of cute moments

- both focus on trauma and mental health
- leads all try to heal one another
- both are mostly set outside the city
- books (tales and poetry) play a big role
- both male leads had a crush on the female leads since childhood