What could be the plot of a 'Hermione is a Pixie' fanfiction?

Yes, there are quite a few. You can try searching on fanfiction websites like Archive of Our Own. Some of them might have really creative takes on Hermione being a pixie, with interesting storylines and character developments.

One possible plot could be that Hermione, as a Lycan, struggles to hide her identity within the Hogwarts community. Fleur, being perceptive, might notice something off about Hermione. Maybe Hermione is afraid of being discovered and ostracized, while Fleur, having her own experiences with being different (as a Veela), tries to help Hermione come to terms with her new lycanthropy. They could form a strong bond as they both deal with the challenges of being 'other' in the wizarding world.

Well, it could be about Hermione somehow getting involved with the Quileute culture. Maybe she travels to their territory and learns about their traditions, magic, and way of life. It could also involve her forming relationships with the Quileute characters, perhaps even falling in love with one of them.

One possible plot could be Hermione using her Goth style to rebel against the traditional Hogwarts norms. She might start a club for those interested in the Goth subculture within the school.

One possible plot could be that Hermione, being a brilliant witch, discovers a magical portal that leads her to the world of Arendelle. There, she meets Elsa and is immediately intrigued by Elsa's ice powers. She decides to study them from a magical perspective. Along the way, they become friends and Hermione helps Elsa better understand and control her powers using her knowledge of magic and spells.

The plot could involve Hermione being discovered as the long - lost princess of England. She then has to learn all the royal etiquette and traditions. Along the way, she might face opposition from some of the more traditional members of the court who don't trust this newcomer. But Hermione, being Hermione, would prove herself by using her quick thinking and problem - solving skills. She could also form alliances with other forward - thinking members of the royal family and together they could modernize the monarchy in some ways.

Well, the plot could involve Hermione secretly learning to become a dragon animagus. She might struggle with the transformation at first, having to hide it from her friends. Then perhaps she uses her new form to protect Hogwarts from a new dark threat, flying over the castle as a dragon and scaring off the bad guys.

One possible plot idea could be that Hermione discovers a hidden ghost in Hogwarts that has a connection to an ancient mystery. Maybe the ghost has some lost knowledge that Hermione is eager to learn. She then embarks on a journey to uncover the truth about the ghost's past while also facing challenges from other students or Hogwarts staff who don't believe in her newfound 'ghost friend'.

The plot might involve Hermione's son being sent back in time accidentally. He then has to navigate the past, which includes meeting a younger version of his mother. This could lead to all sorts of interesting situations where he has to be careful not to change the future while also trying to find his way back to his own time. And Hermione in the present is desperately trying to find a way to bring him back.

Maybe the story is about Hermione being adopted into a Muggle family in England. She would have to hide her magical abilities while also trying to find a way to reconnect with the wizarding world. It could be a tale of her struggle to balance her two lives, and perhaps she meets other magical beings in secret who help her keep her identity hidden and guide her on how to get back to the wizarding world when the time is right.