Both dramas are about young couples ( The MLs are a bit older than the FLs)
They are cute, fluffy, full of sweet scenes.
The stories are a bit different but both are feel-good dramas with so many romantic scenes.

feel-good dramas with young leads who depict young romance
The stories are a bit different but they both involve young people and their lives and conquest at finding love

Romantic Fantasy dramas where the leads have a long history and deal with a certain Curse
The Leads have met in a past life and there were consequences, so they meet again and fall in love

Fantasy romantic dramas where leads have a long history spanning through different dynasties

Cold and uninterested ML with bubbly and warm FLs

Both dramas are typical Noona romance-style
The leads are childhood friends and quite close.
In both dramas, the ML is the first one to realize she has feelings for the FL and starts pursuing her.
FLs in both have had unsuccessful relationships and find solace in the MLs.
very romantic and cute drams

childhood lovers who are not related by blood but grew up together.
Noona romance.
Both are about a career woman and a bubbly, playful ML who is head over heels for the FL.
Very sweet and romantic, minimum angst.

The leads are childhood friends
They have been friends for ages and are very close
as they grow older and they enter adulthood, they realize that they love each other.
both dramas are warm and fluffy with lots of good feelings

Both dramas are set during school days
the leads have close relationships as they grow up together and even their parents are close
the start to develop feelings when they got older

The leads are so similar in both dramas.
The FL is a bubbly carefree girl and the ML is smart and cold.
In ISWAK, the FL chases the ML, but in exclusive fairytale it's different.
both dramas are very romantic and fluffy

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