Since I'm not familiar with the 'Ponthan Mada full story', it could be a story from a specific genre such as a moral story, a family saga or a myth. It may have elements like a protagonist named Ponthan Mada who goes through various challenges, relationships, and transformations that are typical in stories. Maybe it has a setting in a particular time and place that gives it a distinct flavor. To really know the full story, more research in relevant cultural or literary resources is needed.
One possible plot could be that Sakura, reborn as an Uchiha, discovers new powers within herself. Since the Uchiha are known for their Sharingan, she might struggle to control this powerful dojutsu at first. She could face challenges from within the Uchiha clan as some might not accept her, seeing her as an outsider who has suddenly become one of them. Along the way, she might also have to deal with the typical Naruto -verse threats like Akatsuki, but with her new Uchiha abilities, she could offer a different perspective and set of skills to combat them.
Well, one possibility is that Harry, now reborn as an Uchiha, might discover his newfound Sharingan abilities early on. He could use his knowledge from his past life to quickly rise through the ranks in the Uchiha clan. Maybe he'd try to prevent the tragedies that befell the Uchiha in the original Naruto story, like the massacre. He could also use his magic - if it somehow transferred with him - in combination with his ninja skills to become a truly formidable force.
Well, perhaps he is reborn as an Uchiha and has to face the internal politics of the clan. Since he has the soul of Naruto, he could try to change the traditional and sometimes harsh ways of the Uchiha. He may also have a unique perspective on the Sharingan, given his past experiences, and find new ways to develop its powers.
I really like 'Reborn as Sasuke: The Unforeseen Changes'. In this fanfic, the oc-turned -Sasuke has some unique interactions with the original Naruto characters. It's interesting to see how the oc's different mindset affects the story's progression compared to the original Sasuke.
One possible plot could be that the male OC is reborn into the Uchiha clan during a crucial time in their history. He might discover he has unique abilities that set him apart. For example, he could have a special form of Sharingan that no one else has. He then uses this to protect the clan from unseen threats, all while trying to fit into the complex Uchiha society.
First, focus on their initial reaction to being reborn as an Uchiha. Are they excited, scared, or confused? This will set the tone for their character development. For example, if they are excited, they might be more eager to explore their new powers and the Uchiha heritage right away.
Well, Harry's personality would be a blend of his old self and his new Uchiha nature. He'd likely be more intense. The Uchiha are known for their strong emotions and passion. Harry might become more focused on achieving power to protect those he cares about, which was also a part of his personality as Harry Potter, but it could be amplified. He might also develop a bit of an air of mystery, as Uchiha are often seen as mysterious in the Naruto world. His sense of humor might change too, becoming a bit drier perhaps, more in line with the stoic nature of some Uchiha.
One plot idea could be the reborn character having all of Sasuke's memories from the start. This would allow them to quickly adapt and perhaps change some of the events that Sasuke went through in the original story. For example, they could avoid some of the more tragic moments or make different choices regarding his relationships.