Hermione is James and Lily's daughter in fanfiction. How could this be possible in the context of the Harry Potter universe?

Well, in fanfiction, some authors might come up with the idea that there was some hidden connection or a secret affair in the past. Perhaps Voldemort had a relationship with Hermione's mother before he fully embraced the dark side. This would completely change the dynamics of Hermione's character and her place in the wizarding world. It could lead to her having to deal with the stigma of being related to the most evil wizard ever while still trying to uphold her values.

Well, in fanfiction, anything can be possible. Maybe it could be a result of some time - turning magic gone wrong. Or perhaps there was a secret relationship between Sirius and Hermione's mother that was never revealed in the original story. It's all about creative interpretations in fanfiction.

In fanfiction, anything can be possible. It could be due to some dark magic or a convoluted plot twist. Maybe a spell was cast long ago that altered Hermione's true parentage, or Voldemort could have used some form of mind control on her real parents to make them believe she was theirs when in fact she was his. However, this goes completely against the original lore of the series.

In fanfiction, anything can be possible. Maybe a powerful spell was cast that altered memories or blood relations. It could be part of a complex plot where Hermione was secretly switched at birth.

In fanfiction, this could be possible through some creative plot twists. Maybe there was a secret relationship between Severus and Hermione's mother that was hidden. It could also be a result of some magical interference or a prophecy that was misinterpreted at first. Another idea could be that Severus used some advanced magic to protect Hermione and in doing so, a special bond was formed that led to this unexpected 'father - daughter' relationship in the fanfic world.

In fanfiction, anything can be possible. Maybe a time - travel or a powerful magic spell gone wrong could be used to create this strange relationship. For example, if there was a spell that messed with people's memories and lineages, it could make Hermione seem like Bellatrix's daughter.

Well, in a fanfic, anything can be made possible. Maybe it could be that Severus had a relationship in the past that was kept secret, and Hermione was the result. Magic could also be involved in hiding the truth all those years.

Well, in fanfiction, the author has the liberty to play with the lore. There could be a scenario where a powerful dark magic spell in the past had some unforeseen consequences. This spell could have somehow intertwined the bloodlines of Voldemort and Hermione's family. Maybe a curse was placed on a family that later branched out to both Voldemort and Hermione's ancestors, creating this strange connection.

Well, in fanfiction, anything can be made possible. Maybe a long - lost family connection was revealed. It could be that there was some sort of secret adoption or a hidden family tree branch that ties them together. Writers of fanfiction often take creative liberties to explore such unique relationships that were not part of the original story.

Well, in fanfiction authors often take creative liberties. It could be part of an alternate universe scenario. For example, if there was a different timeline where the wizarding families were arranged differently. Hermione might have been adopted into the Black family (Narcissa's family) through some complex set of circumstances, like a deal between two powerful wizards to protect her from some dark force.