Bluescenery

Both cover undercover plot to reveal bad people.
Both have revenge plot but the taxi driver takes more cases while this just cover one big case.
Miss hong is more women centric than the taxi driver.
Both also don't focus to romance and just solving crimes.

Same plot where the "high spirit"/God select people to combat bad spirits who interferes human realm.
Both the chosen MLs have the power to see and fight spirits.
Both has supernatural genre.

Both series deals with love involving with AI
Both couples have traumas they need to deal with, and need each other to counter it.

Both FL transmigrated to a novel
Both ML holds the title
Both series have comedic elements and romance in the story

Same feelings
Tearjerker
Both ML and FL 1st meet at the hospital
Both movies involve with art and drawings

Same FLs plot where their soul switch to another body.
Same MLs background where their working for the kingdom as investigative field.
Also, same troupe of couple where they are lovers from their past lives before the soul switch.

Both series deals with ghosts and fight with them.
Both main leads life are connected from their childhood.
Both have slight horror scenes but not that terrifying.
Both series deals with their client/ghost past life.

Same feels of couples yearning to each other
Both Fls suffered due to their toxic family situation, and both decided to run away
Both MLs only love one girl in their lifetime and so as the FLs, who only have one relationship partner in their lifetime.
Both FLs work on Journalism field (as reporter).
And both story revolve from their high school encounter and split up, then to their adult-selves where they find away to be with each other.

Both couples are rivals or in the opposite sides
Both female leads are flirty to the male leads
Both female leads have ulterior motives to the male lead
Love triangle

Both leads have distinct mental disabilities who struggled to find their way in life.
Both main leads found each other to cope, then everything led to different direction.
This has more "don't care about the world" vibes than just healing and mending relationship with the problems the leads have.

Both have 2 super opposite identities in one body.
Both entertaining where the 2nd identity of FL's just do bizarre things when its their turn.

- Both have revenge plot
- Both female leads come back from the dead to fight for their rightful spot
- Both male leads support their fl's for their plan
- Both have toxic family and the greed for inheritance plot