In this 'Naruto released from jail' fanfiction, it could be that Naruto was jailed because of some false accusations related to a powerful and dangerous jutsu he was suspected of misusing. After his release, he embarks on a journey to find the real source of the jutsu and prove that it can be used for good. Along the way, he meets new allies and old enemies, and has to use his wits and strength to overcome various obstacles.
It could be the same people who framed Naruto and got him jailed in the first place. Maybe a group of rogue ninjas or corrupt village leaders who see Naruto as a threat to their power.
One possibility could be that Naruto emerges from jail with newfound powers. He might have been framed and while in jail, he discovers a hidden power within himself. He then uses this power to clear his name and also to protect the village from a new threat that emerged while he was incarcerated.
It could be a powerful ninja from another village who saw Naruto as a threat even when he was in jail. This ninja might have been plotting to take over Konoha while Naruto was out of the picture. Now that Naruto is out and godlike, they see him as an even bigger obstacle to their plans.
One way could be through words of wisdom. Kakashi has a lot of life experience and could share his insights with Sasuke, like how to deal with his inner turmoil and the path he should choose. For example, he might tell Sasuke that revenge isn't always the answer and that there are other ways to find peace.
Obviously, Harry himself is a key character. His own strength, both physical and mental, could play a role in his release. For instance, he might have developed some new magical abilities during his time in Azkaban that help him break free.
One possible scenario could be that new evidence is found to prove Harry's innocence. Maybe a powerful magical object reveals the truth about what really happened, leading to his release.
In the fanfiction world, it could be due to a deep emotional bond between Naruto and Sasuke. Their connection could be so strong that in a moment of extreme danger or a spiritual awakening, Sasuke's Sharingan essence is transferred to Naruto. For example, if Sasuke was on the verge of death and his chakra merged with Naruto's in a desperate attempt to save Naruto, the Sharingan could be part of that transfer. This would also add a whole new layer to their relationship and Naruto's character development as he would have to learn to control this new power.
I'm not sure if there is such a specific fanfiction. Fanfiction topics can be extremely diverse, but this one seems rather unusual and might not be common. It could also potentially violate the spirit of the original Naruto story which focuses more on their friendship and rivalry rather than this kind of relationship.
Yes, there might be such fanfics in the vast Naruto fanfic community. However, these often deviate from the original story's canon. Fanfics are a creative space for fans to explore different scenarios, but they can vary greatly in quality and adherence to the characters' original personalities.