Well, Naruto would probably be a very energetic and determined person in real life. He might be into martial arts or some kind of extreme sport, constantly challenging himself. And he'd surely be the center of attention with his boisterous personality. He could also be a great motivator for those around him, just like in the anime where he inspired his friends.
The katana would be really interesting. A katana in Naruto's hands could be a powerful weapon. He could use his speed and strength to make swift and deadly strikes. Also, a chained weapon like a kusarigama. He could swing it around with great force and use his ninja skills to control its movement in battles, entangling his enemies.
He could become a weapons master through some kind of special power-up. For example, a new chakra form that gives him an affinity for weapons. He might be able to infuse his chakra into weapons, making them more powerful. And Naruto is known for his hard work, so he'd surely spend countless hours training with various weapons, from swords to shurikens, until he masters them.
In the actual Naruto franchise, Naruto Uzumaki is not a singer. He is a shinobi with a strong will and a determination to protect his village. The idea of him being a singer comes from fan - created stories (fanfic). While these can be fun and imaginative, they deviate from the established Naruto lore. Fanfics often explore alternative scenarios for characters, but in reality, Naruto's identity is firmly rooted in his ninja - like qualities.
Weapons in fantasy novels can be sentient. There are swords that can talk or give advice to their owners. This is completely absent in real - world weapons. Also, the power source of fantasy weapons is often magic. They can be recharged with magical spells or by visiting magical places. In contrast, real - world weapons rely on physical means like the strength of the user, mechanical devices, or gunpowder (in the case of firearms). Fantasy weapons can also change their form, like a staff that can turn into a snake or a dagger that can expand into a sword, which is not a feature of real - world weapons.
If we consider Naruto's abilities in real life, his ability to run up walls and on water might be related to some sort of anti - gravity or super - balance technology. He could use these skills in rescue operations, like running up the side of a burning building to save people. His chakra control could also be seen as a form of extreme mental and physical discipline, allowing him to perform feats that seem impossible to others.
In this fanfiction, Naruto might also create a shield. This shield could be made from a combination of rare materials he discovers during his adventures. It has the ability to not only block physical attacks but also absorb and redirect chakra - based attacks back at the enemy.
Well, Naruto in real life might be that overly energetic and positive guy. He'd probably be the type who's always trying to cheer people up and is super determined in achieving his goals, like in the series. He could be into some kind of extreme sports or activities that require a lot of perseverance. Sasuke would be the brooding and mysterious type. He might be really good at martial arts or some form of self - defense, and he'd keep to himself a lot, but still have a small group of close friends who understand his past traumas.
If Naruto was a singer in real life, he'd probably have a very energetic and passionate style. His songs might be about his dreams and the challenges he's overcome, just like his ninja journey. He could also use his signature orange jumpsuit as part of his stage costume for a unique look.