In some fanfictions, Naruto might die due to a curse or a hidden plot within the Hidden Leaf Village. This could lead to Boruto having to uncover the truth behind his father's death while also dealing with the power vacuum and the emotional turmoil. He would have to grow up quickly and prove himself worthy of his father's legacy. For example, if there was a group within the village that felt Naruto was too lenient with other villages and they set up a situation that led to his death.
Another plot could be that Naruto is poisoned by an unknown substance during a diplomatic mission. As he slowly succumbs to the poison, he passes on his knowledge and some of his remaining chakra to Boruto. Boruto then has to use this newfound power and wisdom to not only avenge his father but also to protect the village from potential threats that emerge after Naruto's death. Boruto would be faced with the difficult task of filling his father's shoes, which is a huge burden for a young ninja.
One possible plot could be that Naruto sacrifices himself to save Boruto from a powerful new enemy. Maybe an ancient evil resurfaces that is too strong for Boruto to handle alone, and Naruto steps in, using up all his chakra and ultimately dying in the process.
One possible plot could be that Naruto sacrifices himself to protect Boruto from a powerful new enemy. Maybe an ancient evil has been awakened and Boruto is in its direct path. Naruto, being the hero he is, steps in and uses all his power to stop it. His death then becomes a catalyst for Boruto's growth, driving him to become stronger and more determined to protect the village in Naruto's memory.
Perhaps there's a prophecy involved. The fanfic could be set up where it's foretold that Boruto will bring about a great change, but only if he survives a certain threat. Naruto, aware of this, sacrifices himself to ensure Boruto lives on. This could then trigger a series of events where Boruto has to deal with the political fallout in the village, as some may blame him for Naruto's death, while others see him as the key to the future. It could also lead to a rift between Boruto and some of his friends who struggle to understand why Naruto had to die for him.
In the 'naruto dies boruto fanfic', it could be that Naruto is killed by an unexpected betrayal within the village. This shatters Boruto's world. He then goes on a journey to find out the truth behind the betrayal. Along the way, he meets some of Naruto's old friends who help him train and grow stronger. Boruto also starts to uncover secrets about the village's past that his father was trying to protect, and he realizes he has to be the one to expose these secrets and bring justice to his father's death.
One possible plot could be that Boruto is on a dangerous mission to protect the Hidden Leaf from a new and powerful enemy. He sacrifices himself to save his friends and the village. Maybe he uses a powerful jutsu that drains his life force but defeats the foe.
It could be a new character entirely. Maybe a rogue ninja from a long - forgotten clan who holds a grudge against Naruto for some past event. This villain could be extremely powerful in dark jutsu and sees Naruto's death as the first step in his plan to take over the ninja world.
One possible plot could be that Boruto does something really reckless, like using a dangerous jutsu without proper training. Naruto, as his father and the Hokage, slaps him to snap him out of his overconfidence and make him realize the seriousness of his actions.
It could also be part of a more complex plot where Naruto has made a promise to protect Ino at all costs. There might be a prophecy or some sort of dark force threatening the village and Ino is specifically targeted. Naruto, knowing the importance of her life for the village or for some other deeper reason, gives up his own life to ensure her safety. This could lead to a great deal of character development for the other characters as they deal with Naruto's sacrifice.
One possible interesting plot could be Naruto and Boruto getting transported to a parallel dimension where their roles are reversed. Boruto has to deal with the challenges Naruto faced in the past, like fighting powerful villains without the advanced technology he's used to. Meanwhile, Naruto gets to experience the modern ninja world from Boruto's perspective, including the new ninja tools and different social dynamics in the Hidden Leaf Village.
The story could also revolve around the relationship between Naruto and Hinata during this time. They grow even closer as they are about to start a new chapter in their lives. Hinata might teach Naruto some things about their family traditions related to pregnancy and childbirth, and Naruto would be eager to learn. This could be a story full of love, family, and the strength to face any obstacles.
Well, it could be a story where Karin has some knowledge about a strange phenomenon that's starting to affect Boruto's chakra. Naruto, as a protective father, gets involved. Karin might be the key to unlocking the mystery behind it. Maybe she has a personal vendetta against an old enemy who is causing this, and Boruto and Naruto end up helping her while also protecting the village from the potential danger.