One possible outcome in this fanfiction could be Percy feeling a deep sense of betrayal. He might initially be in denial, not wanting to believe that he has been cheated on. This could lead to a downward spiral in his self - esteem as he questions what he did wrong in the relationship.
He might cope by throwing himself into his work or hobbies. For example, if Percy is into some kind of art or sport, he could focus all his energy on that. This would be a way for him to distract himself from the pain of being cheated on.
It could completely change the dynamic. Percy's trust would be shattered. His character might become more cynical or withdrawn. It could also lead to a new friendship or relationship as he tries to move on.
In fanfiction where Spiderman gets cheated on, it often explores the emotional turmoil he goes through. It can be a way to add more depth to his character. Writers might show his vulnerability and how he copes with the betrayal. Maybe he throws himself more into his superhero duties to distract from the pain.
Annabeth could be under some kind of magical influence. In the Percy Jackson universe, there are many magical elements. She could be cursed or charmed without her knowledge. This would be a very interesting take in a fanfiction as it would add an element of mystery and also give her a chance for redemption once the truth is discovered. Also, it could be that she has some internal insecurities that she hasn't dealt with and they manifest in this way, making her act out of character.
There could be many interpretations in such a fanfiction. Maybe it shows Naruto's vulnerability in relationships. It might be a way to explore his character deeper by putting him in a difficult emotional situation.
Ino could be a very complex character in this fanfiction. It's possible that she cheats on Naruto because she has a fear of commitment. Naruto is a very passionate and all - in kind of person, and that might scare Ino. So, to avoid getting too deep into the relationship, she cheats. Or perhaps there's a power struggle at play. She might think that being with a different person would give her more influence or status in the ninja world. And there could be a hidden agenda that she's following, something that she can't achieve with Naruto but believes she can with someone else.
One common reaction could be Naruto's shock. In most fanfictions, Naruto is portrayed as someone who deeply loves Hinata, so being cheated on would leave him completely stunned.
One common theme is heartbreak. Naruto would experience a great deal of emotional pain, which could lead to him re - evaluating his self - worth and his approach to relationships. Another theme could be revenge. Naruto might seek revenge on whoever led Temari to cheat, or even on Temari herself in some extreme cases.
It might be that the author is exploring a different side of the characters. Temari, being a strong - willed character, could be written into a situation where she makes a wrong choice regarding her relationship with Naruto. This could be due to her own insecurities or a desire for something else that she misinterprets as more important than her relationship at that moment.