One idea could be to explore an alternate timeline where Ichigo never became a Soul Reaper. Maybe he lives a normal life, but strange spiritual events still occur around him, drawing him into the world of the Hollows and Soul Reapers in a different way. Another idea is to focus on a side character, like Uryu, and tell a story from his perspective during a major arc that we didn't see much of in the original series. For example, his experiences during the Arrancar arc when he was off on his own missions.
A Bleach and One Piece crossover would also be cool. Imagine the Straw Hat Pirates arriving in the Soul Society. Luffy might try to befriend some of the Soul Reapers, and Zoro could have an epic sword - fighting match with one of the more skilled Soul Reapers. Usopp could also be amazed by the different spiritual powers at play.
In a Bleach Candy fanfic, you could have a plot where a mysterious candy starts appearing in Karakura Town. This candy has the ability to make the person who eats it swap bodies with someone else. So, characters like Orihime and Chad end up in each other's bodies and have to figure out how to reverse it. Another idea is that there is a candy that was created by Aizen long ago, and it has been hidden in the Soul Society. When it is finally discovered, it has the power to either destroy or save the entire Soul Society, depending on how it is used. You could also write a fanfic where the mod - souls are given a special candy as a reward for their help, and this candy gives them the ability to take on a more human - like form permanently.
A cool plot for a 'bleach sleepover' fanfic could involve the characters from different factions in 'bleach' coming together for a sleepover. For example, the Shinigami and the Arrancar. At first, there's tension, but as the night progresses, they start to understand each other better. They could play games like truth or dare, which leads to some really interesting character revelations and unexpected alliances forming. This could also set the stage for future interactions in the 'bleach' universe outside of the sleepover.
Well, you could focus on the character crossovers. Imagine Jotaro Kujo meeting Ichigo Kurosaki. Jotaro's cool and collected demeanor would contrast with Ichigo's more hot - headed nature. They could learn from each other's fighting styles. And then there's the possibility of Stand users having to adapt to the spiritual energy in the Bleach world and vice versa. This could lead to some really interesting power - up and training sequences for the characters involved.
Perhaps a 'bleach school fanfic' could focus on the relationships between students. For example, two characters who are normally rivals have to team up for a project. They slowly learn to understand and respect each other's abilities. Or it could be about a group of students trying to solve a mystery that is plaguing the school, like strange disappearances that seem to be related to some dark spiritual force.
One idea could be a dragon from a hidden realm in the Bleach universe emerging and forging an alliance with Ichigo. The dragon could have unique powers that help Ichigo in his battles against the Hollows. For example, it might be able to breathe a special type of reiatsu - infused fire that can purify Hollows more effectively than a normal Soul Reaper's sword.
A possible plot for a 'bleach swinging pendulum fanfic' could be centered around the idea of moral pendulum swings. Characters who were once considered 'good' in the Bleach world start to question their actions and motives. For example, Soul Reapers who have always been about maintaining order might find themselves in situations where their traditional methods seem cruel or unjust. This could lead to internal conflicts within the Soul Society. On the other hand, some Hollows might experience a change towards redemption. The story could explore how these moral shifts affect the relationships between different factions and the overall dynamic of the Bleach universe.
One idea could be that a powerful Soul Reaper takes on a young and inexperienced one as a sort of apprentice in a master - slave relationship. The master could teach the slave about different zanpakuto techniques and the ways of the Soul Society. For example, they could go on missions together where the master protects the slave at first but gradually lets the slave take on more challenges.
One idea could be a scenario where Naruto and Ichigo meet in a dimension between their worlds. They initially misunderstand each other due to their different combat styles and powers. Naruto might mistake Ichigo's Zanpakuto for a strange kunai at first. But then they realize they are both protectors of their respective realms and team up to face a common threat that is endangering both the Naruto and Bleach universes, like an ancient evil entity that feeds on spiritual and chakra energy.
One idea could be that the humans find a way to access the Soul Society without permission, leading to chaos as they start to explore and misunderstand the different realms. Maybe they accidentally release some dangerous Hollows in the process.