The same marriage of convenience trope.
This one around I think the characters do not match, since they have different personalities but both have that comedic vibe into it.

The same marriage of convenience trope.
Focuses on the main lead couple.
Both male leads have the eccentric/quite different nerd like character.

The same in way that they have to know who's the truth and who's the fake.
Same basic concept of investigation though laid out differently.

The same in way that they have to know who's the truth and who's the fake.
Same basic concept of investigation though laid out differently.

The same in way that they have to know who's the truth and who's the fake.
Same basic concept of investigation though laid out differently.

The same in way that they have to know who's the truth and who's the fake.
Same basic concept of investigation though laid out differently.

The same in way that they have to know who's the truth and who's the fake.
Same basic concept of investigation though laid out differently.

The same in way that they have to know who's the truth and who's the fake.
Same basic concept of investigation though laid out differently.

The same concept and storyline. The interpretation of the cases and how they come up with the result about who's who. Deduction and investigation skills type.

The same concept of dating show, the exchange or transit love is different in terms of that it involves their exes. But still the same dating show, different ways of showing the public eye.

The same concept of dating show. The first season shows the timeline and the island, and how the love story or dating scene would evolve

Have the same concept of survival. The Wedding War also uses physical strength to be able to win the prize, but the difference is that it is done by couples.