Recommend some good usagi tsukino crossover fanfiction.

A significant theme is the idea of saving the new world she enters. Just as she protects Earth in the Sailor Moon universe, in crossovers she often finds herself in a position to help save the world she has crossed over into. This could involve fighting against new villains or resolving conflicts within that world. It shows her as a hero in different contexts and how her values are applied in various fictional settings.

You can try fanfiction platforms like Archive of Our Own (AO3). It has a vast collection of fanfictions on various topics, including those related to Usagi Tsukino and Haruka Tenoh. Just use the search function and type in their names to find relevant stories.

One popular theme is friendship development. Since they are from the Sailor Moon universe, exploring how their different personalities interact and form a strong bond is quite common.

Usagi Tsukino is the beloved manga heroine from 'Sailor Moon'. She starts off as a normal schoolgirl but soon realizes her true identity and purpose. Her character development throughout the manga is quite remarkable. She shows great courage and growth as she battles various villains and protects those she loves.

One plot idea could be that Usagi, with her lunar powers, gets transported to the Naruto universe. Sasuke, initially suspicious, gradually realizes she can be an ally. They team up to fight a common enemy that threatens both their worlds.

One idea could be a crossover where Ayato Sakamaki, from the Diabolik Lovers universe, and Usagi Tsukino, from Sailor Moon, meet in a modern city. Ayato is intrigued by Usagi's positive energy and Usagi is both scared and curious about Ayato's dark allure. They could form an unlikely friendship and help each other face their respective challenges.

Well, Sasuke is a rather brooding character. Usagi, on the other hand, is very bubbly. Their relationship could start with Sasuke being dismissive of Usagi. However, when Usagi shows her courage and strength in battles, Sasuke would start to see her in a new light. As time goes on, they would share their past traumas and grow closer. For instance, Usagi could tell Sasuke about her struggles against the Dark Kingdom, and Sasuke could open up about his clan's massacre. This mutual understanding would strengthen their bond.

The story could start with a chance encounter. For example, Usagi could be on her way home from school when she senses something strange. It turns out to be Ayato. Ayato, being a vampire, might be initially interested in Usagi as a potential prey. But Usagi's strong sense of justice and her hidden powers as Sailor Moon make her a more complex target. This encounter could be the start of a series of events where they keep crossing paths and gradually start to understand each other.

One popular misaki and usagi fanfiction is 'A Chance Encounter'. It beautifully portrays their relationship development. The story focuses on how they overcome various misunderstandings and grow closer. Another great one is 'Love in the City', which shows their daily life interactions and how their love blossoms in an urban setting.