A few dramas that may interest you.
ML at some point doesn't love or doesn't show enough love for FL. At some point she leaves and later on ML tries to win FL back:
You Are My Destiny (there are Chinese, Thai, Taiwanese, Korean and Japanese versions of this one. All of them with the same essence)
Crush (Chinese)
My forever sunshine (Thai)
My husband in law (Thai)
Also may interest for this kind of story:
Padiwarada (FL pretends to be someone elseto marry ML, he knows it and treats her bad but later sees how good she really is and change his behaviour.)
You're My Glory (FL has an one-sided love for ML since school. When adults they met again but ML still rejects her 'cause he is afraid of the pressure of being with her - FL is famous and rich now, and he's not -. Only later he realises how he loves enough to ignore his insecurities)
Alchemy of Souls: Part 2 (ML's fiancee died and her soul comes into a body he doesn't know. They met again and have no idea about it. ML doesn't treat her very nice but is soft on her. Later on both discover that she was ML's fiancee)
My Beloved Enemy (ML is a player and messed up with FL's sister. FL wants revenge and decides to play him like he does to all other women. ML is nice and ends up regretting being a playboy)
Love destiny (My favorite Thai. FL soul is travels back some centuries and end up at the female villain body - who is married to ML - and everyone hates her and is scared of her. Only later they realize the wife is no longer a villain and FL soul conquers everybody)