Since I haven't read this particular fanfiction, it's hard to say. However, generally in fanfictions, the plot could revolve around the relationship between Aru and Mook. It might explore their friendship, or perhaps take it in a romantic direction. It could also involve them facing challenges within the context of 'Refund High School', like dealing with schoolwork, other students, or some sort of mystery or drama specific to the school setting in the original work.
I'm not sure where you can specifically find 'Refund High School' Aru x Mook fanfiction. You could try searching on popular fanfiction websites like Archive of Our Own or FanFiction.net. Maybe also check some dedicated fandom forums where fans might share their works.
Since I'm not familiar with specific 'mook lee x aru kim fanfic', it's hard to say. But common themes in fanfics in general can include friendship, adventure, or even romance.
I'm sorry, I'm not aware of any specific 'mook lee x aru kim fanfic' to recommend. You could try searching on fanfic platforms like Archive of Our Own or Fanfiction.net.
The plot could also involve a school project where Naruko and Sasuke are forced to work together. At first, they clash because of their different personalities. Sasuke is more reserved and focused on his own goals, while Naruko is outgoing and wants to make the project a group effort. But through the process of working on the project, they develop a deeper understanding and perhaps even a romantic connection.
The plot might involve Yusei being a new student in high school. Akiza is assigned to be his guide for the first week. She shows him around the school, introduces him to different teachers and classmates. As they spend time together, Akiza notices that Yusei has a unique way of looking at things. Yusei, on the other hand, is attracted to Akiza's energy. They start to develop a bond over their shared experiences in the school, like participating in a school fair. Their relationship evolves from a friendly acquaintance to something more romantic as the school year progresses.
In a vegeta x bulma high school fanfiction, it could be that there is a school dance coming up. Bulma is determined to go with the most popular guy in school, but Vegeta, who has a secret crush on her, decides to enter a dance - off to win her over. Along the way, they face challenges from jealous classmates and misunderstandings, but in the end, they realize their true feelings for each other.
Maybe in this high school fanfiction, Naruto is the new kid at school. Sakura is one of the popular students. Naruto tries to fit in and ends up joining a club that Sakura is also in. They start off as acquaintances but then Naruto's brave and positive attitude starts to attract Sakura. There could be a rival for Sakura's attention, which makes Naruto work even harder to show he's the better choice. And as they face challenges together in the club, their relationship deepens.
One possible plot could be that Naruto and Hinata are transferred to the High School DxD world. Naruto's powerful ninja skills might make him stand out, while Hinata's shy yet strong - willed nature could attract different reactions. Maybe they have to face the devils and angels in this new world together, with Naruto using his Rasengan and Hinata her Gentle Fist techniques to protect their new friends and find a way back to their own world.
One possible plot could be that Sasori and Deidara are assigned as partners for a school project. At first, they don't get along because of their different personalities. Sasori is more reserved and detail - oriented, while Deidara is impulsive and creative. But as they work together, they start to understand each other better. They discover their shared love for art in different forms. Sasori with his puppetry which is like a form of sculpture, and Deidara with his explosive art. Eventually, they become good friends and support each other in their artistic pursuits at school.
One possible plot could be that PPGZ and RRBZ are in a high - school setting where they have to work together on a school project. At first, they are rivals and constantly bicker, but as they spend more time together, they start to understand each other better and eventually become friends. For example, they might be assigned to build a model of a historical building. The PPGZ are very detail - oriented and the RRBZ are more creative. Through their combined efforts, they create an amazing project and in the process, their animosity turns into mutual respect and friendship.