“Please Throw Me Away” , perhaps?
The only green hair fl and black hair ml I know is "please throw me away"
Think ur referring to this one
https://www.mangago.zone/read-manga/i_became_the_younger_sister_of_a_regretful_obsessive_male_lead/
Ohh thank u!!!!!! I've been looking for this one!!!! Thank u so much
Thank u for telling me that... I already found one.. The link.. Anyway thanks for helping
Thank u for helping me!! I found it already thanks again
That the fl green hair color, and the ml black hair color.. The ml dad take the girl since she's a child and take care of her.. And start then the ml and fl being close.. When i read, they still promo but now idk... But at the end promo the ml ask her to marry her.. If anyone know please help me... THANK YOU!!!