It could be that the Weeping Willow has a sentient spirit. Hermione, being the empathetic and curious witch she is, tries to communicate with it. As she delves deeper into understanding the spirit of the Weeping Willow, she uncovers secrets about Hogwarts' past that have been long forgotten. This knowledge then puts her in a position where she has to make difficult decisions to protect the school and the Willow itself.
In this fanfiction, the Weeping Willow could be a place where Hermione finds a long - lost magical artifact. She has to first figure out how to access the hidden compartment within the tree. Once she gets it, she then has to protect it from those who would misuse it. This could lead to a chase around Hogwarts and its grounds, with Hermione using her magic skills and the unique properties of the Weeping Willow to outwit her pursuers.
It could be a situation where Hermione accidentally discovers a secret passage in Hogwarts that leads to a hidden room with a strange magical shower. Snape also stumbles upon it while investigating something. They start arguing about who should use it first or who has more right to be there, and through their argument, they start to understand each other better.
I'm not sure specifically as it could be a very niche or new visual novel. It might be about a detective's adventures set in an area with weeping willows, perhaps involving mysteries and investigations among those natural surroundings.
The cartoon weeping willow scene in The Little Mermaid is very beautiful and enchanting. It creates a magical and peaceful atmosphere.
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.
The plot might involve Buffy and Willow dealing with the reactions of their friends. Some might be supportive, like Xander, while others, like Giles, could be more cautious. They could also face a threat from an old enemy who sees the baby as a powerful weapon. As the pregnancy progresses, they grow closer together and learn more about themselves and their relationship.
In this fanfiction, perhaps Harry is trying to tame the Whomping Willow. He might be on a mission to protect his friends from the dangerous tree and in the process, forms an unexpected bond with it. He could be using his skills and courage to face the challenges the tree presents.
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.
One possible plot could be that Hermione is turned into a pixie by a spell gone wrong. She then has to figure out how to reverse the spell while dealing with the challenges of being a pixie, like learning to control her new flying abilities and small size.
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.