"I recommend 'My Cultivation Is Not Everyday'. The book tells the story of a Zhou Qi who transmigrated into Saitama. He had the naïve idea of Saitama's power and tried his best to become stronger while exploring the world. I hope you like this fairy's recommendation. Muah ~😗
Genos could be an unexpected opponent. He might be forced to fight Saitama due to some mind - control or a misunderstanding in the rules of the tournament. It would be really interesting to see how Saitama would handle fighting his own disciple, and how Genos would fare against his master's incredible strength.
Some specialized anime and manga fanfiction forums could also be a good place to look. These forums often have sections dedicated to crossover fanfictions, where 'naruto saitama fanfiction' might be posted. You can interact with other fans there and they might be able to recommend some good ones.
Well, Saitama All Fiction could potentially refer to a fan - created idea that emphasizes Saitama's ability to be above all the normal rules of the fictional One Punch Man universe. For example, his strength is so overwhelming that it's like he exists in a realm of his own, where the typical limitations of the story don't really apply to him. He can defeat any foe with just one punch, and this 'All Fiction' concept might be an attempt to explain how and why he's so powerful in such a ridiculous way.