Rivalry

In both dramas, the heros families are business rivals who try to one up each other.

The FL and ML both work in the family firm of their respective family and are competing.

-Both FL's hate ML at first
-Both ML's ex- girlfriend becomes FL's father's girlfriend
-Both FL's try to stop father from dating that woman
-Both FL's keeps on creating problems for that woman
-Both ML's ex-girlfriend are celebrities