One possible plot could be that Usagi is in a bit of trouble, like being chased by a youma. Sailor Venus, being the first to show up, saves her. Then, they start to wonder about each other's identities. Maybe Venus gives Usagi some clues about the Sailor Guardians without fully revealing herself. This could lead to Usagi being more curious and starting her own investigation.
She might meet her father, Harry Potter, when he was still a student at Hogwarts. This would be an amazing encounter as she could see a side of her father she never knew before.
Well, in this fanfiction scenario, Mamoru meeting Usagi's parents could be a really big deal. He could be dressed in his best clothes, trying to look presentable. Usagi's parents might grill him a bit, asking about his job, his family, and his intentions with their daughter. Mamoru would need to answer truthfully and with confidence. He could also bond with Usagi's father over a shared interest like classic cars or something, and with her mother over a love for cooking or gardening. This meeting could be a turning point in their relationship in the fanfiction world.
Their relationship could develop quickly. Since Venus is often seen as a leader - type, she might take Usagi under her wing. She'd protect Usagi and start teaching her about the world of Sailor Guardians. Usagi, in turn, would look up to Venus and be inspired by her confidence.
Well, it could be that Lily Luna Potter meets the past versions of her famous friends or relatives. She may interact with them in ways that change the course of events she knew from history, creating all sorts of interesting twists. For example, she could give some advice to a younger version of someone that has a big impact on their future actions.
Well, in this fanfiction, perhaps Lily Luna Potter might be shocked by the Dursleys' cold and unfriendly attitude at first. She could be confused as to why her family has such strange relations. Maybe she tries to show them the magic world's beauty in an attempt to change their views on magic and wizards.
One possible plot could be that Lily Luna Potter discovers a hidden magic within Hogwarts that has been long forgotten. Maybe she stumbles upon a secret chamber where an ancient spell is stored. With the help of her friends, she tries to figure out the spell's purpose and how it might be used for good in the wizarding world.
One possible plot could be that Lily Luna Potter somehow travels back in time. She meets the Marauders in their Hogwarts days. Maybe she initially has trouble fitting in with their mischievous ways but then starts to understand their true natures. She could end up joining some of their adventures and perhaps even influence their actions in a way that has a positive impact on the future she comes from.
One possible scenario is that Lily Luna Potter uses her magic in front of Petunia in a non - threatening way. Petunia, being used to seeing magic as something strange and almost feared, might be shocked at first. But then, as Lily Luna explains how magic is just a part of who she is and how it can be used for good, Petunia starts to see magic in a new light. This could lead to a new - found respect between them and a mending of the broken family ties.