One possible reason could be his father's strict and cold parenting style. Lucius Malfoy was often very controlling, pushing Draco to uphold the family's pure - blood ideals and reputation, which might have made Draco feel suffocated and resentful. Another reason could be that Draco witnessed his father's dark deeds in the wizarding world, like being involved with Voldemort, and he might have moral objections to such actions.
In such a fanfiction, Draco's character development could start from his initial hatred, which might be a sign of his first step towards independence. He begins to question his father's authority and the values he was brought up with. This makes him more complex as a character.
Often, Draco as a father in fanfiction can be shown as having a special bond with his child. He might have a unique way of showing his love, like through gifting rare magical items or taking his child on secret adventures in the wizarding world that only they know about.
Perhaps Draco is tired of living in his father's shadow. His father has always been a dominant figure in his life, and by killing him, Draco could be trying to assert his own identity.
One common theme is the class and house divide. Hermione, a Gryffindor, represents the values of courage and loyalty, while Draco, a Slytherin, is often associated with cunning and ambition. This clash of values can fuel Hermione's hatred.
One possible reason could be that Naruto feels abandoned. His father was not around during his childhood, and he had to face a lot of hardships alone. Growing up without a father figure, he might have developed resentment.
One possible reason for such a fanfiction could be to explore the extreme psychological state of Draco. Maybe in this fanfic, Draco is pushed to the edge by his father's overbearing nature and the dark deeds of the Malfoy family. It could be a way to show his struggle for freedom from his family's dark legacy.
There's 'A World of Hatred' which delves deep into Hermione's reasons for hating Draco. It's not just about the obvious differences between Gryffindor and Slytherin, but also personal vendettas that build up over time. The fanfiction takes the readers through a journey of their clashes and how they struggle to co - exist in the wizarding world.
Draco's experiences at Hogwarts, including his rivalry with Harry Potter, could also play a role. He may want to ensure his child doesn't get involved in such bitter rivalries and instead focuses on building positive relationships with peers.
He may instill the value of loyalty. Given his own experiences in the wizarding world, he would want his child to be loyal to their friends and family. For example, he might tell stories from his Hogwarts days to illustrate the importance of standing by those you care about.