Well, if Adrien is akumatized, his relationship with Ladybug would be in turmoil. Ladybug would have to fight against him, which is a complete turnaround from their friendly and flirty interactions. She would be worried about hurting him while also trying to stop his akumatized actions. Regarding his father, Gabriel might be secretly pleased that Adrien has new powers, but on the surface, he would pretend to be concerned. His friends, on the other hand, would be heartbroken. Nino would try to reach out to Adrien, thinking that their friendship could break through the akumatization. Marinette, in her civilian form, would also be deeply affected, as she cares about Adrien, and would be determined to find a way to save him.
His relationship with Ladybug would be severely strained. Since he's akumatized, Ladybug would see him as an enemy she has to defeat, which would be a huge shift from their usual partnership. With his father, Gabriel might initially be shocked but then could see it as an opportunity to control Adrien's new powers for his own evil plans. And his friends like Nino would be very confused and scared, not understanding why Adrien has turned into this akumatized being and would try to find a way to bring him back to normal.
In this scenario, his relationship with Ladybug would become extremely complicated. Ladybug would be torn between her feelings for Adrien and her duty to save Paris from his akumatized form. His relationship with his father could potentially worsen. Gabriel might be disappointed in Adrien for losing control, or he could try to manipulate the situation to his advantage. As for his friends, they would be desperate to find a way to reverse the akumatization. They might feel guilty, thinking they could have prevented it, and would struggle to face this new, dangerous version of Adrien.
If Adrien and Marinette were akumatized, their relationship would become very strained. As akumatized individuals, they would be full of negative emotions which could cloud their judgment. Adrien, who usually has a soft spot for Marinette, might not recognize her in his akumatized state and could even attack her. Marinette, too, would be in a different mental state and might see Adrien as an enemy, forgetting their previous friendship and any budding romantic feelings.
In a time - travel scenario, Anakin's relationship with his mother could be greatly altered. He could go back in time and save her from the Tusken Raiders. This would change his whole outlook on life and his path towards the dark side. Regarding his relationship with Palpatine, he would be aware of Palpatine's true nature from the start. So, he could either avoid Palpatine completely or try to expose him earlier. His relationship with other Jedi, like Ahsoka, could also be different. He could be a better teacher and mentor to her, as he has the experience of his future mistakes.
If Kakashi travels back in time, his relationship with his father would be completely different. Instead of the strained relationship due to his father's perceived failure, he could support his father and build a strong bond. With his students, if he travels to the future and then back, he might have a new perspective on how to train them. He could be more lenient or more strict depending on what he saw in the future of their development.
His relationship with Astrid might become more complicated. She might be initially shocked or even a bit scared of his half - dragon side. But as she gets to know that it doesn't change who Hiccup really is, they could grow closer. His dragon friends, on the other hand, might see him as more of an equal now that he has a dragon part in him.
In this fanfiction scenario, her relationship with Harry could grow even stronger. Harry, having experienced loss himself, would be very empathetic towards Hermione's situation. He would be constantly by her side, helping her in classes and during dangerous situations. Ron, on the other hand, might initially struggle with how to act around her. But over time, he would realize that Hermione is still the same strong - willed person and their friendship would deepen. Also, her relationships with teachers might change. Some teachers like McGonagall would be extra supportive, while others might be more hesitant about her ability to keep up with her studies.
With Sakura, Naruto might be more respected. Since he has become more powerful in this fanfiction, Sakura could rely on him more during missions. His growth in mastering wind and lightning could also inspire her to further develop her medical and combat skills. Naruto's new abilities could lead to new team dynamics, and they might need to train together in different ways to adapt to his powers.
In this fanfic scenario, Naruto's relationship with Iruka would be tested. Iruka, who has always seen Naruto as a student and a friend, would now have to deal with a Naruto who is part - nine - tails. He would worry about Naruto's future and how society will accept him. Naruto's interactions with the other jinchuriki could also change. They might sense a kinship with him in a different way now that he has fully become a nine - tails. And his relationship with Tsunade would likely involve her trying to find a way to either reverse the transformation or make sure Naruto can control it, while also dealing with the political unrest that might come from Naruto's new state.
His relationship with Sasuke would likely become more complex. Sasuke might initially feel pity for Naruto, but then respect him more as he sees Naruto still being strong despite his blindness. He could become more protective of Naruto, which is a big change from their usual competitive relationship. With Sakura, she would probably be more motherly towards Naruto, constantly worried about his well - being and trying to find medical jutsu to cure his blindness.
One possible story could be that Adrien gets akumatized because he feels constantly overshadowed by Ladybug. In this fanfiction, Hawkmoth might prey on his insecurities. As an akumatized form, Adrien could have enhanced physical abilities like super strength and speed. His akumatized look might be a dark version of his Chat Noir costume, with a more menacing appearance.
Well, with his mother, Sally, it would be a very different dynamic. Sally, who has always been proud of the grown - up Percy, would now have to mother him all over again. She would be more protective and might even try to keep him away from the dangerous demigod world for a while. As for his enemies, they might underestimate him at first. But as they realize that even as a kid, Percy still has some of his heroic instincts, they would start to see him as a threat again. His relationships with the gods would also shift. Some gods might pity him and be more lenient, while others might see it as an opportunity to manipulate him more easily.