Sure. There are many great non - smut fanfictions out there. You could look on platforms like FanFiction.net. Some fanfictions might focus on their adventures during school, like how they solve a new mystery in Hogwarts. These types of stories often highlight their friendship and the magic of the wizarding world.
Yes. Another option is to search for 'Hermione, Harry, Professor - friendship fanfiction'. This way, you can specifically find stories that are centered around their positive relationships. For example, there could be a story where they team up to teach younger students some advanced magic spells, which is a great and clean concept for a fanfiction.