Both female leads have extraordinary sense of smell and have a talent in making best and unique scent/perfume. Both fell in love with a rich male lead and have to overcome many obstacles to be together in the end. LJC sets in the modern era whereas LOF is in the ancient era.

Both have intelligent female lead and male lead as the eldest grandson of the royal family (show the process of how they manage to become the emperor in the future). Both female lead have misunderstanding about the male lead at first. Both couples have a rather similar ending (watch to know more).

Both have intelligent female lead and male lead who is a prominent figure in china history. Both male lead only loves the female lead and they have to overcome many obstacles to finally be together. However, both couples are not able to spend the rest of their lives together (watch to know more).

Both involve friendship and romance among a group of friends in the 1990s. Both with the theme of youth and things they learnt in the process of growing up (e.g. What they lost or gained while growing up, the responsibilities they will have to take up upon turning into an adult)

Both involve the process of friendship developing into romance. One of them used to have a secret crush on the other in the past and yet did not manage to work it out.

Both involve love, friendship and family interactions in the past (1950s-2000 in The Story of Time & 1995-present in A Good Day).

Both are about the friendship, family and romance in the neighbourhood set in the 1980s/1990s. Both female lead has three different guys surrounding her-one who likes to badmouth & bicker with her; one who has a secret crush on her; one who has good looks and results (likes the female lead in a Good Way but not for the one in Reply 1988). Lastly, there is also a guy who jokes a lot in the neighbourhood.

Both involve adventures with a team of people explore old places which have traps and secrets hidden. Both have mystery, suspense and action elements.

Both main leads have parted/broken up with each other in the past due to misunderstanding. Now they are going to fall in love once again with the female lead having memory lost and they will try to clear up the misunderstanding. Both have second male lead who likes the female lead and protecting her after being hurt.

Both are about teaching and disciplining students/young men in an academy during the historical period and have romance involved (more bromance in Hwarang).

Both dramas are about sons/grandsons with different personalities and backgrounds living in the same house for the sake of inheritance/place of heir. Both involve romance whereas BSM is a more idol-kind of drama.