The One and Only (2021)

Codependent lovers (for lack of better term) that just want to be there for one and other no matter the adversity. There is that spark between the main characters that convinces you that they cant be with anyone else but that one person. Chaotic, mad, sad but pure first love.

Three women who had enough seeking revenge. Sounds cool right? Well that is a theme that is present in both drama. One of course deals it with humour while the other leans more on the dramatic sad side.

Both dramas have terminal illness -- leads who feel life has forsaken them but in the process of trying to accept their fate they find ou that life is worth living even if for a moment

Both dramas have terminal illness -- leads who feel life has forsaken them but in the process of trying to accept their fate they find ou that life is worth living even if for a moment

both take place at a hospice
both have an overall sad vibe
similar cinematography
in Chocolate the leads work at a hospice while the FL in The One and Only is a patient

Watching When the Devils Calls Your Name really reminded me of The One and Only. Even though the story/plot is different, both dramas include a romance between multiple main/support characters and trying to escape and find a distraction from the inescapable.

Both dramas has the same vibes. Family and friends are the best part.
Both dramas about FL who has terminal illness.
Both FL have strong characters.
Both drama has cold heart character ML.
Both FL at first just give up with life at first until met the ML and they want to be alive in the rest of their time.
The good one is : no love triangle.
Both dramas has good OST.

Both dramas have nice romance , (I liked CFY better)
Main leads deal with difficulties
Brain tumor
Memory loss after brain operation

these dramas both have similar themes to each other
trauma, family and friendship to name the main points
both balance the heaviness of the subject matter with breaks of light-heartedness (more so in IOTNBO) and humour.

Although Missing is a supernatural mystery genre and TOAO is a melodrama, I found the Duon Village from Missing and the Hospice in TOAO to have similar atmospheres- how almost everyone has a sad story to tell yet find comfort and peace in the village/hospice.

deals with hospice care and various characters only finding themselves and true happiness near the end of life <3

Having mentioned this by a couple of users in the comment section, I agree that they are similar in certain ways. Even though The One and Only just have released 2 episodes, I can already similarities in the main couple. They are both scarred by their traumatic childhood that heavily influenced their present lives. In JBL, it seems that the main leads are positively influenced by their childhood (like how they chose their career) but I can not say the same for the couple in The One and Only.

Both are about two people who have little to lose and get caught in something bad. The guy appears as a thug and the girl as arrogant.

The overall atmosphere of these dramas are very different, but in terms of friendship, both of these dramas feature a sisterhood that I really long in a drama. In Be Melodramatic, they have been friends for a long time already and have been living together. Meanwhile in the The One and Only, they are living together in a room not by choice but by circumstances, but are already united by one secret. I really like these sets of friendship because of how different their personalities with each other.

"mama i'm in love with a criminal"
In both drama both the main leads is technically a criminal who get together under some very peculiar circumstances.