Unrequited love and pining for love dramas

Hi,

I have two requests

1. Recommend dramas where male lead is pining for first love (dies or leaves him), female lead helps him to move on and he realises his true love is FL as in the feelings are more strong towards her than first love (Don't want dramas where FL is a look alike or reminds him of his first love).

2. Dramas where Male lead loves FL secretly and FL is with another person for major part of the drama but later starts loving ML. Drama where focus is on ML's feelings like his angst, jealousy, sadness seeing FL with another man.

I'm okay with any language drama but not too old or too long or dragging dramas.

Thank you in advance :)

 Veera94:

male lead is pining for first love

• Crazy Love - Ex had a hold on ML to an extent and felt betrayed
• Forecasting Love and Weather- ML was dumped out of the blue and Ex got married. I tis very workplaced focused and slow drama story wise. The romance itself is pretty fast paced.
• My Liberation Notes- More grief/guilt versus pining but it is complicated.

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 Veera94:

Male lead loves FL secretly

• Love Like the Galaxy: Part 1- This started airing but fits considering FL will get engaged to two other men at some point as well.
• Dear.M- Multiple couples the main couple fits.
• Kiss Sixth Sense- Doesnt seem like it in the beginning but it gets revealed that ML has alwys lved FL even when she was dating her Ex
• Love Is Science?- ML had a crush since childhood but FL was older.
• Soundtrack #1- A short drama but fits the best