Well, without having read this particular 'naruto descendant of ultraviolet fanfic', it's hard to say precisely. It could be that the author has created a new character who is a descendant in the Naruto world and this character has some unique abilities or a backstory related to ultraviolet. Maybe it's a story about how this descendant uses their special connection to ultraviolet to face challenges in the ninja world, like fighting against powerful enemies or uncovering hidden secrets.
There are several places to search for the 'naruto descendant of ultraviolet fanfic'. FanFiction.net has a vast library of fan - created stories, so it's a good starting point. Archive of Our Own (AO3) is also great as it has a more inclusive and organized tagging system. Additionally, you could explore Naruto - related subreddits or Facebook groups dedicated to Naruto fanfics. Sometimes fans will post links or talk about their favorite fanfics in these communities, and you might be able to find it there.
I'm not sure specifically as I haven't read this particular fanfic. It might be a creative take on Naruto having some sort of connection to the concept of ultraviolet, perhaps in a unique world - building or character - origin sense.
You can try looking on popular fanfic websites like FanFiction.net or Archive of Our Own. They have a vast collection of Naruto - related fanfics, so there's a chance you'll find the 'naruto son of ultraviolet fanfic' there.
Since I don't know the specific 'an ultraviolet way fanfic', it's hard to say. But generally, it could be about themes like mystery if the ultraviolet element is related to something hidden or unknown.
The name 'an ultraviolet way fanfic' is rather unique. It could potentially be about a story that involves something related to ultraviolet light in a creative way within a fictional universe. But again, without more context, it's hard to say much more. You could also look for fanfic communities on social media platforms dedicated to the genre or series you think it might be related to.