One idea could be that Naruto and Tenten are banished due to a false accusation of plotting against the village. They then have to prove their innocence while on the run. They might encounter old enemies who have also been exiled and form an unlikely alliance to clear their names.
One idea could be that Tenten becomes yandere for Naruto after he saves her life in a battle. She then starts to secretly eliminate any girl she sees as a threat to her 'relationship' with Naruto. For example, she might try to sabotage Hinata's attempts to talk to Naruto.
One idea could be a story where Naruto, Hinata, and Tenten go on a mission together. They face a powerful enemy and have to rely on each other's skills. Naruto uses his Rasengan, Hinata her Gentle Fist, and Tenten her weaponry skills. Another plot could be a time - travel story where they go back in time and have to change an important event in the ninja world. It could be something related to the founding of their villages.
One idea could be a mission where Naruto, Temari and Tenten are teamed up. They have to retrieve a powerful and ancient scroll from a hidden temple. Along the way, Naruto's determination and positive attitude inspire Temari and Tenten. Tenten shows off her weapon skills, and Temari uses her wind jutsu to clear obstacles. They face various traps and enemies, and in the end, they bond over their shared success and newfound respect for each other.
One idea could be that the character with the Sharingan is banished due to false accusations of using its power for evil. He then has to journey alone, facing challenges and learning to control his power in new ways. Maybe he meets a group of outcasts who he befriends and together they fight against the unjust system that banished him.
One plot idea could be Naruto being banished to the world of One Piece. He could join the Straw Hat Pirates and use his ninja skills in new and exciting ways. For example, his shadow clone jutsu could be used for various tasks on the ship. Another idea is that he gets banished to the Bleach universe. He might learn about Soul Reapers and Hollows, and his chakra could be seen as a unique form of spiritual energy there. Maybe he could even train with the Soul Society to become stronger.
A possible plot could involve the banished mercenary being from a long - lost clan. The reason for his banishment was a false accusation by a rival clan. As he wanders the Naruto world as a mercenary, he discovers clues about his clan's true heritage and power. He then uses his skills as a mercenary to gather allies and resources to prove his clan's innocence and restore its honor. Along the way, he crosses paths with Naruto and his friends and they either help or hinder his quest depending on the situation.
One idea could be that Naruto and Tenten travel back to the founding of Konoha. They could use their modern - day knowledge and skills to influence the early development of the village in positive ways, like introducing new training methods. Another plot could involve them going back to a time when a great enemy first emerged, and they have to find a way to stop the threat before it becomes too powerful.
A possible plot could be a story set in an alternate universe. Naruto is not the hero he is in the original story, but Hinata and Tenten believe in his potential. They work together to help Naruto find his true self and his powers. Along the way, they encounter old enemies who are now much more powerful, but through their combined efforts and friendship, they manage to grow stronger and face the challenges.
Another plot idea is that they explore their family history together. Since Naruto has always been an orphan and Tenten's family background isn't explored much in the original series, they could embark on a journey to find out more about their parents. Along the way, they would face many obstacles and meet various characters who either help or hinder their search, all while growing closer as siblings.
Perhaps Naruto, in his banished state, has some new and unique abilities that Temari is intrigued by. She decides to help him master these powers in secret. As they train together, feelings start to develop. Their relationship could then be a source of conflict between Konoha and Suna as the two villages have different views on Naruto's banishment and his newfound connection with Temari.