Typically, in such novels, their relationship might start with resistance and resentment. But as they face common problems and shared experiences, they might start to develop mutual respect and maybe even love. It's all about the journey of discovery and change.
Sometimes, in fantasy romance novels, a magical curse or prophecy could force the hero to marry the heroine.
It usually starts with a deep friendship and gradually develops into love as they discover new sides of each other.
In 'obsessed hero romance novels', the hero often has an intense focus on the heroine. He might be constantly thinking about her, like in 'Twilight' where Edward is always aware of Bella's whereabouts and her safety. His actions are mainly centered around her.
The relationship might evolve in unexpected ways. Maybe they have to work together on a common goal and that forces them to understand each other better. Or there could be a third party that makes them jealous and they realize their true feelings. Eventually, love conquers all!
It can go in different directions. Maybe the heroine's love changes the hero for the better over time.
It usually creates a lot of drama and tension. The heroine might have a hard time trusting the hero again, but it can also lead to the hero's growth and redemption.
Well, it's possible that the lack of support from the hero forces the heroine to grow stronger on her own. Eventually, the hero might notice her strength and start to support her. Or, it could lead to a tragic ending where they don't end up together because of this issue.
Then, as they spend more time together, they begin to see each other's good qualities. They might share a common goal, like saving a family estate in the historical setting, which brings them closer. In some novels, a danger or external threat also forces them to rely on each other, gradually deepening their connection.
Their feelings might start as reluctant but gradually grow into love as they get to know each other better.
I'm not sure of the exact name, but there are many Urdu novels with this theme. Often, in traditional Urdu literature, family honor or some sort of obligation forces the hero to marry the heroine. It creates a lot of drama and interesting plot twists as they navigate their new relationship.