There could be a fanfiction where Draco bites Harry in a fit of jealousy. Maybe Harry has received an award or special recognition that Draco feels he deserved more. This act of aggression then causes a stir in the Hogwarts community, and the two are forced to deal with the consequences. As they face the fallout, they start to understand each other's insecurities and motives better.
One interesting story could be where Draco bites Harry out of a moment of extreme anger during a duel, but then realizes the severity of his action and tries to make amends. This could lead to an unexpected friendship between them.
In some fanfictions, Draco biting Harry might be part of a magical spell gone wrong. For example, a spell that was supposed to mark an opponent instead makes Draco physically bite Harry. This then sets off a chain of events where they have to work together to reverse the spell's effects. They might discover things about each other they never knew before and change their views of one another.
It might be for the sake of exploring unique and unexpected interactions between the two characters. Their relationship in the original books is complex, and this is a very different way to add a new dynamic.
One common theme is the exploration of power dynamics. When Draco bites Harry, it can represent a shift in power, either Draco asserting himself in a new way or Harry having to deal with a new vulnerability. Another theme is the idea of forbidden love. The biting could be seen as a very physical and somewhat violent act that still has an undercurrent of attraction between them. It's like they're breaking the rules of their normal relationship in Hogwarts.
Well, in 'this bites fanfiction', you might find stories that expand on the original world. For example, stories could introduce new characters that interact with the existing ones in exciting ways. Some stories might focus on a particular character's backstory that wasn't fully explored in the original, adding more depth to their personality.
A really cool fanfiction could be set in an alternate universe where Harry, Snape, and Draco are all part of a secret society in Hogwarts. They have to keep the society's existence and purpose a secret while dealing with their own personal issues and rivalries within the group.
One interesting story could be where Paul's bite on Bella leads to a unique transformation that gives her powers different from the normal vampires in the 'Twilight' universe. Maybe she can control the elements, which is a new twist.
One 'bites scary story' could be about a strange bite mark on a person's neck that keeps getting deeper and more painful every night. They start having nightmares of a shadowy figure approaching them and then feeling a searing pain on their neck. It turns out to be a vampire - like creature from an old curse.
One interesting 'little draco daddy harry fanfiction' could be where Harry takes Draco under his wing after the war. Harry helps Draco to overcome his family's dark past and find a new path in life. They form an unlikely bond that grows into a deep friendship.
In some 'dark draco x harry fanfiction', Draco is part of a dark cult and Harry is trying to infiltrate it. Along the way, they have intense interactions. Draco is conflicted between his loyalty to the cult and his growing feelings for Harry. This creates a tense and exciting plot as Harry tries to save Draco from the clutches of the dark forces while also dealing with his own feelings for him.
One interesting story could be where Edward biting Bella has some unforeseen biological consequences that change the nature of their relationship in unexpected ways. For example, it might give Bella a new ability related to her senses, and the fanfiction could explore how she copes with this new aspect of herself while still being in love with Edward.
One interesting concept could be exploring the backstories of the characters more in - depth. For example, the past experiences that made the characters develop their unique fighting styles and personalities.