Recommendations

Light and fluffy drama
Cute moments
Cute couples
No major plots
Less story, concentrated more on actor's scenes

They are both set in the Joseon era
They are both dramas worth watching.. if you liked one then you should definitely have a go at watching the other.

Both stories have over-protective parents, and show character growth throughout the show. And both are on the comedy side and discuss the topic in a light way, so you'll have fun watching it..

Synopsis seems really similar to tomorrow with you. I haven’t seen love in time yet. A difference though is that love in time the ML goes back to save his girlfriend.

Stray Kids' dancers Lee Know and Hyunjin share their opinions, worries and give advice to their fans STAY,

-detective skills/solving cases
-childhood romance vs fated love
-hidden identities
- friendship and brotherhood across class divides
-message of fighting the good fight
-pretty to watch!

Stray Kids' members Lee Know and Bang Chan communicating with STAY through "V LIVE" app during their solo broadcasts "Lee Know's Play Room" and "Channie's Room".

Lee Know as well as I.N are both members of Stray Kids and have similar way of communicating with their fans STAY by making a talk-like live broadcasts and reading fans' comments on "V LIVE" app.

Same main actor, similar premise. Two guys are made to share a room. And start developing feelings for each other.

Same premise - it's a romcom about crossdressing female lead who enters Imperial College and pretends to be way less competent than she is to protect her identity and reach her goals.

They are both intriguing and worth watching... if you liked one then you should definitely have a go at watching the other

In both the dramas the ML sleeps with FL while being intoxicated leading to their marriage...................................................................................

"You only have one problem. You don't see yourself in the way I see you. I'll like you a lot from here on out. I'll be there for you. I'LL TEACH YOU EVERYTHING YOU DON'T KNOW. Then one day, things will change for you. You'd be surprised. " - Ji Won, Flower of Evil

The female lead in "The Smile Has Left Your Eyes" tells the male lead almost the same thing. and it sure hits so heavy when they both do! The male leads in both drama have really low self-esteem and keep pushing away the female lead thinking they aren't good enough or so they won't get hurt!

The ambient, the music, and even more, the way both drama unfolds, seem so similar.

In both drama, the main leads are accused of murder, thus their perfect-seemed life are about to get ruined.
They both have their spouse really believing them and supporting them when going through the hardship, and lastly but not least, when one of them hit on the other first (in the past), the drama makes time to explain how the main character tries their best to push away their partner, by telling them
"I do not have those feelings, Do you know what sort of a person, I am? " /
"I will never fall in love with you, and probably only use you as my fancy business card"

In both movies the cute female lead has to decide between the bad boy and the nice guy, except that "Fall in love with my bad boy" has a historical setting. :) And they are from different countries obviously.^^