Durian's Affair (2023)

Both are 2023 fantasy romance dramas with female leads from Joseon time traveling to the present and falling in love there.

they both have someone travel from the past to the future.
In QIHM it is a man. He is a scholar that is brought into the future, where he meets an actress playing the part of Queen In Hyun. In the past he knows the Queen. This series has drama, comedy and romance.
In DA it is two Lady's from the past who have lost thier husband's to death travel to the future where they meet men who look just like thier husbands. THis series has mostly drama and romance. It's a bit darker and aimed at a more mature audience than QIHM.
I like both but don't know if I'll re watch Durian's Affair.

In both dramas they have people from the past coming to the future.
In RF it is the prince and his bodyguards that come forward in time.
In DA it is two women that come from the Joseon era into the future.

In both series that have people from the past come to the future.
In LUTYN it is an acupuncturist fronm the past that comes to the future and meets a modern doctor,
In DA it is two women from the past that comes to modern day.