One common theme is the idea of opposites attract. Female Tsuna is often depicted as kind and gentle while Xanxus is tough and brash. Their differences draw them together in these stories.
One common theme is the idea of redemption. Xanxus is often portrayed as a rather rough character, and in these fanfictions, he might find a way to redeem himself through his interactions with Tsuna.
Another good one is 'Tsuna and Xanxus: Unlikely Bond'. In this fanfiction, the author explores how a female Tsuna might break through Xanxus's tough exterior. It has a lot of emotional moments and the way the two characters' personalities clash and then come together is really engaging.
In this fanfiction, it could start with Tsuna getting lost in a part of the Vongola headquarters where Xanxus usually lurks. Xanxus, known for his short temper, is about to attack Tsuna when he notices something in Tsuna's eyes - a kind of hidden strength. Tsuna, not fully understanding the danger, just stands there. This moment of hesitation from Xanxus gives Tsuna a chance to speak. They start a conversation that is filled with underlying threats from Xanxus and nervous stutters from Tsuna. But as they talk, they both start to see that there is more to each other than what they initially thought. This encounter could be the start of a strange and complex relationship within the Vongola family.
Tsuna would likely develop a sense of wariness towards Xanxus. He might start to train harder to be able to stand up to Xanxus if he ever becomes a threat again. For Xanxus, he could start to see Tsuna as a more interesting opponent rather than just a nuisance. He might become more observant of Tsuna's growth, which could lead to a more complex relationship between them.
Well, you can try searching on fanfiction.net. There are often a variety of works there. Sometimes you might find some really creative ones that show interesting interactions between Tsuna and Xanxus.
One possibility could be that Harry, with his knowledge of magic and experience in fighting dark forces, takes Tsuna under his wing in the magical world. He could teach Tsuna about different spells and how to handle magical creatures, which would be a new and exciting experience for Tsuna who is used to his own world in 'Katekyo Hitman Reborn!'.
Hermione would be really interesting. She could help Tsuna with his studies, whether it's about the magical lore of the Harry Potter world or just general knowledge. She might be a bit strict with Tsuna at first, but as time goes on, they could become good friends. Another interesting character would be Dumbledore. He could offer his wisdom and guidance to Harry in raising Tsuna, and might also see some special qualities in Tsuna that could be important for the future of the wizarding world.
Tutor Xanxus is not a BG-ending novel because it is a series and not a complete novel. Tutoring Xanxus's bg ending article referred to the " Tutoring " series. It was a light novel series created by the author, Li Huazou. There were a total of five volumes. It told the story of a group of students receiving tutoring services from the mysterious organization " Xanxus ". It revolved around the relationship and growth between them.
Well, it might focus on the character of Tsuna with some unique physical or personality traits related to 'curvy'. Maybe it describes Tsuna in a more curvaceous way in appearance, or it could be that the plot twists and turns like a 'curvy' path, with unexpected developments.