Bingeul bingeul

Both FL got pregnant at a young age and both of them encountered that their lover stopped caring about them after getting pregnant. The lover of the FL finds another woman eventually betrays the FL and marries that rich woman. Both the FL marries the brother of that rich woman for revenge.

> Both drama is set during 1970's
> Both dramas contain poor female lead and rich male lead
> Both are sad romance
> Both dramas have propagandas about the anti-communist and the people who goes against it will be tortured even the innocent ones
> Both FL's are hardworking and have their younger brother
> Youth of May is more tragic than That Sun in the sky
> Both dramas have characters that contains toxic parents
> That Sun in the sky is more slow paced drama than Youth of May
> Both drama has the most people that surrounds the Fl's are against the romance to the rich man
> That Sun in the sky is makjang and Youth of may is just a melodrama

Both main characters were accused of the crime that they didn't commited. So the Second male lead and the second female lead marries the person they love. Both main characters transformed and returns to revenge on the persons who brought misery in them.

Makjang dramas that are all about revenge and betrayal. Both FL of this drama have a comatose and lose their memories while the SFL steals their man and marries them. The FL of this drama seeks revenge. Both ending have the FL choose the ML even if he's not worth it.

Both dramas are all about revenge where the main female characters of both dramas are badass, hackers and vows revenge on the people who made their sister suffer. Taxi Driver does not have romance mainly focuses on crimes and mystery and Risky gives off makjangish elements but both are twisted and dark dramas.

Both dramas are makjang and about revenge. Both the female lead is an orphan and her older sister took care of her after the parent's death. Both the older sisters of the female lead is pregnant and being betrayed by their boyfriend. Both of older sisters dies with their child. Both the female lead wants to revenge on the person responsible of her older sister's suffering.

Both series are Female Centered Plot which focuses on competition in winning particular game or activities. Suugaku Joshi Gakuen is about girls who competes in Math and Girl Gun Lady is all about winning in the fight which is a survival game. If a competitor lose it would subtract their life span.

>Both of the drama deals with student and teacher relationship.
>The teacher is older than the student.
>Dark Plot
>Realistic

>Oh Soo Jae and Kuzu no Honkai have similar plotline which is all about the student having a relationship with a teacher
>Both of these drama have older woman which is the teacher and younger man is the student

These dramas are all about creativity and imagination of an author who makes novels by imagining that he is the main character of the story and the girl(s) is the another character in his imagination.
>140 Ji no Koi -< the guy creates twitter novel that consists only 140 character limit but does challenges him to use its creativity. It has only two characters every episodes

>Ano ko no Yume wo mitan desu -< the guy creates his novel in his notebook by referencing the female character with the real life Japanese actresses

> Both male leads are charming in How About a Cup of Coffee and Coffee Ikaga Deshou
> Almost bearing the same title
> Slice of life
> Coffee barista as a job

The story of Hi Soo, Ji Yong and Ja Kyung is very similar to the plot of Pink Lipstick.
=> Hi Soo = Ga Eun
=> Ja Kyung = Mi Ran
=> Ji Yong = Jung Woo

Similarities
>Both female lead are both married
>Of course both makjang
> Betrayal, Revenge, Affairs
>The husbands are still in love with their ex girlfriend
>The children are born out of wedlock -> children of the husband and the ex