One interesting fanfiction could be where Hope's twin sister has a different power set. For example, while Hope has her typical witch/vampire/werewolf powers, the sister could have the power to manipulate time. In the story, this could lead to all sorts of plot twists as she tries to correct past mistakes in the Mikaelson family's history. Maybe she goes back to when Klaus was first turned into a vampire and tries to prevent it, which would change the entire course of the family's future.
There's also 'Sisterhood in the Shadows'. This fanfic focuses on the bond between Hope and her sister. It shows how they support each other through all the trials and tribulations in the supernatural realm. It has some really heart - warming moments and also some intense action scenes when they face off against their enemies together.
Family loyalty is also a big theme. The twin sister is part of the Mikaelson family, and in many fanfictions, she has to deal with the complex relationships within the family. There could be situations where she has to choose between different family members' wishes or protect the family from a new threat, even if it means sacrificing her own desires.
One great fanfiction could be where Hope is kidnapped by an old enemy of the Mikaelson family who wants to use her power for their own gain. The story might then follow her friends and family as they race against time to rescue her, with lots of action-packed scenes and emotional moments.
A great fanfic could explore how the Mikaelson sister, with her family's long history and secrets, and Loki, who is full of his own deceptions and schemes, find common ground in their love. Their relationship might be a rocky one at first. For example, Loki might try to use the Mikaelson sister for his own gain, but then truly falls for her, leading to a story of redemption and love against all odds.
One great 'Hope Mikaelson Time Travel' fanfiction is 'Journeys Through Time'. It has Hope traveling back to key moments in her family's history. The author does a great job of showing how her presence changes things subtly. Another one is 'Time's Echo', where Hope's time - traveling adventures lead her to discover secrets about her powers that she never knew before.
One great Hermione's twin sister fanfiction is 'The Lost Twin'. It explores how the wizarding world reacts to Hermione having a secret twin. The story is full of mystery and adventure as they both navigate Hogwarts together.
There could be a fanfic where Hermione babysits Hope in a world where the wizarding world and the world of the Mikaelsons collide. Hermione has to deal with not only Hope's supernatural powers but also the cultural differences between her own magical upbringing and that of the Mikaelsons. For example, she might be confused by some of the vampiric or werewolf traditions that are part of Hope's family background. But in the end, she forms a strong bond with Hope through her patience and intelligence.
One great fanfiction in this vein is 'The Slytherin Twin'. It delves deep into the relationship between Harry and his twin sister in Slytherin. The story shows how she has to navigate the house's reputation while still being family with Harry. Another is 'A Twin's Tale in Slytherin' which focuses on her adventures in the Slytherin common room and her friendships there.
There could be a fanfiction where Naruto's twin sister, Lemon, has a different path than Naruto. Maybe she is more interested in the medical side of ninja arts rather than combat. This would lead to her interacting with different characters like Tsunade. She could learn from Tsunade and use her medical skills to help the village in her own way, while also having her own personal growth arc.
One great 'Hope Mikaelson lost sister' fanfiction could be where the lost sister returns and has a special power that helps Hope in her battles against the supernaturals in Mystic Falls. For example, she might have the power to control time, which she uses to undo some of the tragedies that have befallen the Mikaelson family.