Mars - fl faces bullying, ptsd and is an outcast, the male lead helps her heal and changes he for the better while she also helps him with his issues, basically, they both heal each other and fall in love
Lady and Liar - fl is poor and faces struggles to live, when she finally has a chance to have a better life, that chance is stolen from her and she faces more problems until the male lead falls in love with her and helps her
Hana Yori Dango and all its remakes - i don't need to say much, you prob already know
Oh My Venus - fl faces troubles from society, she struggles to fit in but the male lead helps her get better
That Winter, the wind blows - fl is blind, she also has past scars that she deals with and the male ends up wanting to help her despite his inital intentions and they fall in love as they improve each other
The Heirs - fl is poor, she is thrown in a rich kids school and suffers bullying and the male lead falls in love with her, similar to hana yori dango
Who are you: school 2015 - fl gets bullied a lot, male lead encourages and helps her
She Was Pretty - fl faces discrimination from society for her looks, basically a outcast from society, male lead event
Autumns Concerto - fl faces sexual harassment, rape and bullying, she's quiet and is an outcast, male lead falls in love with her and they help each other face each others problems
Angels Last Mission: Love - female lead is a dancer who is blind and she pyschologically suffers from her disability until the ml helps heal her
Better Days - fl gets bullied terribly, she and the male lead are both similar except hes always getting into fights and problems. they both end up attracted to each other