Help me find a cdrama/kdrama !!

Please suggest a drama where Ml does something bad to the fl... 

Anyone of the following -

Rejects her love

Breaks up

Gives other girl or ex gf more priority 

Shouts and behaves rudly

Doesn't trust her at any point

Or anything else that hurts the FL

-------------

"and later regrets his action..."

Takes efforts to get FL back...

No historical wuxia or costume drama plz....

PLEASE HELP

 AH :

• You Are My Glory
• Tempted
• Secret
• She Was Pretty
• A Love So Beautiful
• Jealousy Incarnate

? I have watched all of them...

Crush (bit sad)

Romance of the little forest

Crazy Love

Itaewon Class (romance is not main topic)

Kleun Cheewit (but it's a Thai Drama/Lakorn)