There are probably some. You could also try joining Naruto - related fan groups on social media platforms. Ask the members if they know of any good 'Naruto and Fem Hiruzen' fanfictions that are family - friendly. They might be able to recommend some based on their own reading experiences. Another option is to check out Naruto fanfiction review blogs or channels where they might have already filtered out the inappropriate ones.
Yes, there are likely some out there. You can start by looking on well - known fanfiction platforms like FanFiction.net or Archive of Our Own. Search for 'Naruto and Fem Hiruzen' and then skim through the summaries to find ones that seem to focus on positive, non - inappropriate storylines, such as adventures they might go on together in the Naruto world or how their relationship might develop in a platonic or positive way.
Sure. Some fanfictions might focus on their mentor - mentee relationship if Fem Hiruzen is in a position of authority. For example, a story could be about Fem Hiruzen guiding Naruto in his ninja training, helping him to master new jutsus or understand the history and values of the village. You just need to be patient in your search and avoid the ones that seem to have suggestive titles or tags.