Recommendations

Both of these Korean BL dramas feature a main lead who is a bit jaded by romance due to their past relationship that he had sacrificed a lot for, and his new love interest that enthusiastically (and a little hyper-ly) pursues him even after initial rejections.

Both are more of a light hearted Thai Romance drama, with lots of cute moments. The ML's both start out a bit spoiled and pushy, but grow to be better men. The Fl's are both very sassy and stay true to themselves.

Watching this reminded of two dramas one of them is signal, both are about seriel murderer during early times when technology wasn't advanced and it was different finding the evidence

It has a similar dark vibe to it.
Genres and tags: Horror, Thriller, Supernatural, Demons/Spirits,...

Both Brotherhood dramas
Both are about two male leads chasing an unidentified creature or entity
Both are very intriguing and interesting plot with little to no romance

They have the following similarities:
Forced marriage
Carefree son of a rich family
Bride from a low status family
Smart Female Lead
Spoiled Rich Male Lead

The plot of I've Fallen for you with regards to the relationship progress of the couple is also quite similar at the start. They got married due to the male lead family's bidding. The wife was technically kidnapped, but she ended being treated well in the male lead's household. The husband's parents are also very doting on their new daughter in law. The female lead is skilled in a certain field. She also contributes to the male lead's transformation from being the city's spoiled rich kid, to becoming a great man.

Not similar concept but both are office dramas. The humour is kind of similar and they game me the same vibe honestly.

Action in a male-dominated setting, with a strong emotional through-line. Both have strong themes of abuse and bullying.

Hidden Love, childhood friends, lost contact, tragic past, healing, modern romance, female lead artist, family love

Both have a female live with rich male lead and moms are nice and like the girl both moms want them to be together and they both help the girl go to a school

Both are melancholy historical dramas with a master ML/disciple FL who are not allowed to be together and power struggles within the palace. Both dramas have a sad ending that is "fixed" in some way by a sequel (BCTSAL has a movie and OAO has a sequel series).

cheating on wife, affair, love triangle, give the same vibe as VIP Kdrama must watch if you like affair and romance.

cheating on wife, affair, love triangle, give the same vibe as The world of married and as VIP Kdrama as well

They both got drama
I was hooked on both dramas
Both main characters on both dramas did an amazing job

Both dramas begins with the charcters in high school where they first met. Both drama depicts romance between youth, friendship and family relationships. Both dramas are super cute.