lvp

Similar vibe with mystery and case solving.
Male lead getting poisoned and lacks martial arts but yet powerful when time calls.
There is slight bromance and friendships in both dramas.
In both drama there is conspiracy theories and a masked villain :)

Sizzling bromance in both..
Some sort of a dystopian world exists in these dramas.
Vibe of the drama is same when it comes to case solving and conspiracies.
One of the leads hides things at first though eventually confides in the other person.

Both dramas have a group of people working together to uncover conspiracies.
In both, one of the lead falls victim to villain's conspiracy. In WCL, ML can transform onto cat while in FYH, FL transforms into another person.
Team dynamic is nice to watch.

Both are investigative drama with two male leads.
Bromance between them is nice to watch.
Different cases building up to a big case.
Teamwork.

Both have a group of people working together to solve mysteries.
The main ML in both dramas have more power physically as they are different from others/humans.
There is bromance and friendships/found family
Conspiracies and stuffs that are uncovered gradually.

Two of the dramas have female lead cross-dressing as male.
Both have prince as male lead and are based on revenge and court politics.
Both the dramas have a group of four people/friends including main leads investigating the conspiracy together.
They have light-hearted fun moments.

MLs are NIS agent in both the dramas who had once failed in their mission.
There is a NIS team trying to uncover conspiracy in Terius behind me while in undercover high school, team is trying to recover heritage assets.
Both the dramas involve undercover operations and have comedic elements as well.

Both features gender-bender character. FL disguises as male in both dramas.
There is love triangle and friendships.
Mystery and political stuff is also happening in the background and prince is the ML in both dramas.

Two of the dramas have a doctor who can diagnose the disease accurately and his underlings who gets inspired from him.
There are surgery procedures and background of the patients are given importance.
Medical aspects of the dramas are similar.

Both are medical dramas with surgery scenes.
Cross has overarching mystery plot in it but medical background of the drama is similar to Trauma code.
There is no romance plot just friendships.

Both the show have similar vibes.
There is FL cross-dressing as man to enter into Sungkyunkwan university in Sungkyunkwan scandal while in Check in Hanyang also FL cross-dress and enter Yeongcheonru.
There is three MLs around FL and bromance/friendships between all four of them is fun to watch.
There is also slight palace politics going on as central theme of the drama.

Both are medical drama
Both has revenge as underlying theme
Both have illegal heart transplant in it
Vibe of the story is same