A 'adachi x nanako fanfic' could potentially explore the relationship between Adachi and Nanako. It might focus on their interactions, how they support each other, and the development of their friendship or a possible romantic connection. Maybe it shows how they grow together through shared experiences in their fictional world.
There could be. Fanfic writers love to explore different relationships and scenarios that aren't part of the original story. Given the popularity of both the Persona series (where Nanako Dojima is from) and Naruto, someone might have combined the two in a creative way in a fanfic.
The plot could be about Adachi and Nanako meeting by chance in a small town. They start off as strangers but gradually become friends as they discover they have common interests, like a love for art. As they spend more time together, they face some challenges in the town, such as a local bully or a problem with a community project. Through working together to solve these problems, their relationship blossoms.
It could be about Nanako's journey in falling in love with Naruto. Maybe she first sees him in some kind of crossover event between their worlds and is immediately smitten by his determination and strength.