Maybe in the fanfiction, Boruto is abused by a powerful and evil villain who wants to get back at Naruto by hurting his son. The villain could use dark jutsu to physically and mentally torture Boruto.
One possible plot could be that Boruto is betrayed by his friends due to a misunderstanding. For example, they might think he has turned to the dark side because of some false evidence planted by an enemy. Another could be that Boruto is betrayed by the village he loves. Maybe the village leaders suspect him of a crime he didn't commit and turn against him.
Well, a theme might be the exploration of trauma. Ichigo's experience of being abused would surely cause him a great deal of trauma, and the fanfiction could delve into how he copes with it. It could also be about the discovery of inner strength. Despite the abuse, Ichigo could find strength within himself that he didn't know he had. And perhaps a theme of isolation, as he may be pushed away from others due to the abuse.
One possible scenario could be that Naruto is constantly taunted in the streets. The villagers might throw things at him or call him mean names, like 'demon brat'. Another could be that they exclude him from village activities, making him feel like an outcast.
One possible plot could be that Kuroko's quiet and unassuming nature makes him an easy target for a group of jealous basketball players. They might try to undermine his confidence before a big game by stealing his training equipment or spreading false rumors about him.
Another plot could involve Tails trying to hide his sickness at first because he doesn't want to worry his friends. But as it gets worse, he can't hide it anymore. His friends then feel guilty for not noticing earlier and they all come together to take care of him and find a remedy.
Well, perhaps in this fanfiction, there could be a plot where a dark curse is placed on Hinata. As the curse takes effect, she gradually weakens until she finally succumbs and is killed. It could also be that a misunderstanding leads to her being in the wrong place at the wrong time and getting killed accidentally.
Perhaps in the fanfiction, Natsu is betrayed by someone he trusts in a mission. For example, they might leave him behind in a dangerous situation to fend for himself while they take the credit for the mission. Or it could be that a love interest betrays Natsu by choosing someone else over him due to some false perception or external pressure.
One possible plot could be Percy getting drunk and accidentally revealing his true feelings to a friend or love interest. For example, he might finally admit his long - hidden admiration for Annabeth while in a drunken state.
One possible plot could be that Stiles gets rejected by his long - time crush, Lydia. After the rejection, he might go into a bit of a self - discovery phase. He could start focusing more on his friendships and his own personal growth, realizing that he doesn't need someone else's approval to be happy.
One possible plot could be that Pidge's friends launch a daring rescue mission. They use their unique skills and the technology at their disposal to infiltrate the place where Pidge is held captive. Another plot might involve Pidge using their wits while in captivity to outsmart the captors, perhaps by hacking into their systems or finding a weakness in their security. A third option could be that Pidge discovers a hidden truth about the captors during their time in captivity, which could change the course of the story.