One possible fanfiction could be where Tsuna and Chrome go on an adventure together to find a special item in the Katekyo Hitman Reborn world. They might face various challenges along the way and their relationship could grow stronger as they rely on each other's skills.
A plot could be that Tsuna and Chrome are accidentally sent to an alternate dimension. In this new place, they have to figure out how to get back home. Along the way, they discover new powers within themselves and their relationship evolves as they depend on one another for survival. This would be a great way to explore their characters more deeply.
The Hitman Reborn manga ended with a climactic battle and resolution of the main character's story arcs. But it's a complex ending that's best discovered by reading it yourself.
The unique character design of the thief OC. If the writer creates a complex and engaging character with a distinct personality, backstory, and set of skills related to thievery in the 'Hitman Reborn' universe, it can be really interesting.
😋I have a few books that I recommend to you. You will definitely love them. The first was " Rebirth of the Future and Cultivation of False Immortals ", which followed the protagonist to uncover the mystery of the fault in human civilization. There was also " Rebirth, I Pick Up Trash in Space ", which was a journey to fight against fate after being reborn into the future world. Finally, it was " Soul Lock." The female protagonist transmigrated to the future to survive alone. She solved the mystery of the soul lock and completed one difficult mission after another. I hope you like my recommendation.😗
Writing about the future was a very interesting topic. In novels, the female protagonist would usually experience various rebirth events to change her fate and enter a new world.
The common plot of a story written in the future of rebirth included: The female protagonist was reborn into a future world and found that her original fate had been changed. She began a series of adventures and explorations. During this process, the female protagonist would usually make all kinds of friends and enemies, experience all kinds of challenges and crises, and finally become the leader or hero of this world.
In novels, the future world where the female protagonist was reborn would usually have various technological and magical elements to make the story more colorful. At the same time, the female protagonist's personality and fate would also change due to different rebirth events, making her life more meaningful and challenging.
Rebirth to the future was a very interesting novel. It could let the readers feel the wonder and mystery of the future world, and at the same time, it could also feel the adventurous and exploring spirit of the female protagonist.
You can try fanfiction platforms like Archive of Our Own (AO3) or FanFiction.net. There are often many talented writers who create stories related to 'Hitman Reborn' with original characters (OCs) that are thieves. Just search for the relevant tags on these platforms.