How could Naruto's character develop if he worked for the Fire Daimyo in fanfiction?

A 20-year-old genius medical student transmigrated to a book she read during an experiment and became a female supporting character named Mo Li. In the book, Mo Li was originally a kind and good girl. However, she was framed and slandered by the white lotus female protagonist. In the end, she was betrayed and abandoned by her family. Her personality changed drastically, and she ended up in a tragedy. After understanding her situation, she decided to fight back and change her fate. Although she was only a medical student, her medical skills in the real world were 50 years ahead of those in the book world. Hence, with her unparalleled medical skills and his ability to foresee the plot… The brothers in the family who hated Mo Li initially all held Mo Li in their hands and treated her like a treasure in their palms. They all turned into crazy demons who doted on their younger sister. The leader of the underworld said, "Whoever dares to bully my sister, I will break his legs." The business genius's second brother, "My sister has a bad temper. If anyone dares to make her angry, I'll let him spend the rest of his life in the slums." The third brother of an international superstar, "I'm not free this month. Don't look for me for any activities. I want to spend the summer vacation with my sister." And the original female protagonist in the book finally met her opponent. After Mo Li exposed her various evil deeds time and time again, she eventually suffered the consequences of her own actions and was abandoned by everyone.

While returning home from a boring day of work, a black hole opened up in front of John and sucked him in. Before he was floating in the blackhole, a helmet latched on to him. "Uploading A.I under progress...Activating Survival Kit" A weird robotic sound appeared within the conscious of John and suddenly a white energy enveloped him... After opening his eyes, John noticed he was teleported to a whole new world. A world of magic and he was a user of a system. Arkon, the world John was brought too, was a medieval world which is 10 times bigger than earth. This new world held many new mysteries and this was the beginning of John's adventure. John will dominate and stir the world with his new system. Old technologies begone and use my advanced techys instead! Ha! you want to hold a politic, economical and military war with me? Sorry but my system is too broken for you all to counter.

The most powerful demon of Hell reduced to a mere slug! Thanks to his unique ability to absorb abilities of the creatures he ate, Voren became the strongest demon in Hell. But just when he was ready to relax and enjoy the luxuries he conquered, gods descended from Heaven to take him down. One against many, Voren fought valiantly, but in the end, he was defeated. Still, the gods couldn’t break his spirit. He lost all his demonic powers, but even all of gods’ efforts couldn’t wipe out Voren’s memories—and his unique ability. As a last attempt to destroy him, gods made Voren reincarnate as one of the lowest creatures there is—a slug. But even that won’t stop Voren from taking his immortality back and getting his revenge. He will reach Heaven… through violence. And enjoy everything the mortal realm can offer on his way there. Warning: contains bloody violence, crimes against animals, crimes against humans and what else you can expect from an evil protagonist. (please, read the prologue)

Fed up with having been stabbed in the back for the last time, a whiskered blond ventures off to a continent across the sea to revive the Uzumaki Clan so he can raze the Leaf to the ground. His travels bring him to an unnamed continent littered with demons and silver-eyed witches. Will he be able to find love, get his revenge, or perhaps both? Naruto x Claymore Taken from the author - Spyash2 fanfiction.net

Reborn on an ordinary Shionin of the Uchiha clan, Ryu thought he was going to spend a life of inaction, but he did not expect to bind the sign-in system. Check in at Kannabi Bridge and get reward [Rinnegan ] Check in at Hokage Residence and get reward [Flying Thunder God Jutsu ] Check in at Valley of the End , Get reward [Sage Body ]

Ryu Otsutsuki always wanted an easy life. He... Was not destined for it the moment he was born into this world. Given incredible power, the third son of Kaguya Otsutsuki had to deal with his brothers, and immortality. And now... He promised his brother he'd help him with something... Which was... Troublesome... I hate you Brother! OP OC/Sharingan/Mokuton/Rinnegan/ (COMPLETED)