Both dramas are focused on first love and childhood lovers
The lovers were separated due to fate and lost contact, ye they meet each other again after many years and are still in love
The ML in both dramas have sensitive jobs( Firefighter and SWAT)
The FLs are strong career women
They get back together and amidst the dramas they face, want to be together again

In both dramas, the FL has a crush on the ML since she was a student
The ML doesn't reciprocate her feelings at first, yet he slowly falls in love
both are romantic and very cute mixed with some dramas

Both dramas are about young love
One of the leads in each drama has an unrequited love for the other lead, which is not reciprocated at first

Both dramas are warm and lovely with beautiful romantic scenes

Both dramas show young love, where one of the leads has an unrequited love for the other since they were students

Their love is not mutual at first, however, as the story goes, they open up and start loving each other

both show school days and dramas too

Both are about young love
one of the leads has had an unrequited love for the other since childhood but it's not reciprocated at first
Both are very warm and fluffy with a little bit of drama involved.

Both dramas show young love and school scenarios
The FL in both has an unrequited love for the ML which is not reciprocated at first but soon the MLs fall in love with the FLs
Both are very fluffy and warm dramas that melt your hearts

The plot is quite similar
The drama is about the entertainment industry and productions
The leads are past acquaintances and there used a be an unrequited love between them
They see each other again after years and their relationship blossoms

both are short dramas with a revenge plot
both have romantic elements too
the time slots are different, yet there are royal families and their plots involved

One is a movie and the other one is a drama.
Both are about past lovers who meet each other again when they become adults.
The ML in both is Jing Bo Ran.
The leads in both have great chemistry.
Road home is a feel-good romantic drama, yet Us and Them is a bit darker and shows the different paths the young lovers choose.

Both are about childhood friends turned lovers
Dramas have feel-good vibes and the leads have great chemistry.
Soundtrack #1 shows an unrequited love that blossoms when the leads are adults, yet road home both leads fall in love with each other since their school days

Both dramas are about first love.
The leads are different, yet despite their differences, they fall in love.
They are separated by fate's order and are reconciled when they are adults.
The tones are somewhat different, as le coup the foudre is fluffy and warm, yet Road home is a bit of a melodrama. Both are very romantic and swoon-worthy

Both dramas are about first love in high school days.
The leads are separated due to some complications in their lives and are reunited years later as adults, yet they have many unresolved issues during their relationship.
The leads both have had a somewhat problematic adolescence that lead to their breakup eventually.
In both dramas, the leads reconcile as adults and still love each other.
Both are romantic and dramatic at the same time.