Recommendations

Both are queer korean dating shows produced by the same company. Stand Bi Me is a bisexual dating show (bi men and women), His Man is a mlm dating show (men loving men only).
Chill, clean, fresh vibe

Similiar criminal/lawyer storyline with characters with depth. Although there is a stronger theme of romance in barb ayuttitham, the plot is heavily focused on solving a case so holding strong similiarities.

Both dramas have FL and ML clearing goals in a game environment. In Love Scenery ML helps FL learn a game. In Oops! Almost Broke Up ML and FL are stuck in a game like time loop. Both dramas have celebrity themes, too.

Both second chance dramas with sci-fi theme. In Filter, FL uses a bracelet that helps her to change her appearance and starts working with ML, her high-school crash. In Oops! Almost Broke Up, FL and ML get stuck in a time-loop game after they decided to break up.

Both dramas have the same actor and actress as ML and FL. In Nine Yin True Sutra they end up becoming a villainous couple.

Both dramas have FLs who lost their families and grew up to be resilient. They're outgoing, bold and confident. Also, both have medical background and a childhood connection with ML.

if you're focusing on romance, i think these two drama have a concept in common. even though they're different geners completly but the slow paced romance and the intimacy between the ML and the FL are similar. both couples slowly becoming each other safe spaces.. they learn to trust one another. There's this kind of imtimate eye language between the couples that makes youu so nervious watching. both dramas have the reveage concept and ML saved from depression by FL. Closed angry ML and bubbly almost happy FL

the same gl couple is also in this series along with 2 bl couples, must watch this its really good, i love it

Both Wuxia dramas with master FL and disciple ML. In Love of the Divine Tree, FL is a sect master, in Qingchuan's Veil of Vengeance, FL is a general.

Both dramas have a FL pretending to be a man. They're scholars with calm personality. They then get married and treat their wives in a very gentlemanly way.
In The Letter from the Cloud, both the wife and the husband are the FLs, and they have their MLs as well.
In The Cross-Dressed Union the wife is the ML who is also cross-dressing.

Both dramas have a FL pretending to be a man, in a non-cute more believable way.
In Dominion and Devotion the FL is the emperor, she then takes on a concubine, but the eunuch is the ML.
In The Letter from the Cloud the FL marries to the SFL, but they have their MLs as well.

-- one is a drama, and the other is an idol TV show
-- both revolve around babies
-- characters learn to take care of babbies and understand their need and lifestyle
-- Our Universe, since it's a drama, has more plot too

If you love watching babies, you'll love this show.

both female leads go through same traumatic experience, have supporting husbands, parents who don't believe the leads.

The women figure out what’s wrong with little support.
- strong female lead
- very little support
- against all odds
- they fix it
- I watched these years apart
- but one led me to the other

Boys Love dramas
Main character is an actor at peak popularity
(Partially) a showbiz setting
A Winter Sun has a side couple that is two actors falling love after/while acting in a series together just like Top Form