Another plot could be that Ichigo is mistaken for a prophesied hero in the other world. He has to deal with the expectations of the people while also trying to figure out if there's a connection between this world and the Hollow threat in his own world.
Maybe in this other world, Ichigo discovers a group of people who are similar to the Soul Reapers but have different powers and a unique hierarchy. He could get involved in their internal conflicts and help bring peace while also trying to find a way back to his own world.
Another plot could be that Ichigo is transported to a dimension that is a post - apocalyptic world. Here, his skills as a fighter would be put to the test. He might find remnants of a once - great civilization that had technology far different from his own, and he has to use both his swordsmanship and his wits to navigate this dangerous new world.
Maybe fem Ichigo has a different set of powers compared to Ichigo. In the fanfiction, they could train together to combine their powers in a unique way. For example, her powers might be more focused on defense while Ichigo's are on offense, and they learn to complement each other. This could lead to some interesting character development as they overcome their differences and work towards a common goal.
One idea could be Ichigo ending up in a high - fantasy world filled with magic. He could learn to combine his soul reaper powers with the new magic system, creating unique combat styles. For example, he might infuse his Getsuga Tensho with elemental magic from that world.
One idea could be Ichigo struggling to control his new vampire instincts while still trying to protect his friends. He might have to hide his vampiric nature from his family, which adds a layer of secrecy and tension.
One idea could be Ichigo having to face new and more powerful enemies in his resurrected form. Maybe he discovers new powers that come with this resurrection and has to learn to control them quickly to save his friends.
One idea could be a story where Ichigo and Candice are forced to team up during a Hollow invasion in a new, unknown dimension. They start off distrusting each other but gradually learn to work together as they face stronger and stronger foes.
One idea could be that Zoro ends up in a world full of magic. He has to learn to adapt his sword skills to combat magical creatures. Maybe he teams up with a local wizard who helps him understand the new world's rules while he teaches the wizard about honor in battle.
Perhaps Goku lands in a world where the inhabitants are all pacifists. He has to find a way to protect this world from an external threat without using his usual brute force, which could lead to him developing new skills. Also, he might find himself in a world with a different concept of time, which messes with his ability to power up in his usual way.
One idea could be that the Akatsuki members are transported to a world full of magic. They have to adapt their ninja skills to this new environment. For example, Sasori might find new materials to create his puppets, and Deidara could be intrigued by the different ways to create explosions in this magical world.
One idea could be Naruto arriving in a world full of magic, and he has to learn to combine his chakra skills with magic. For example, he might use his Rasengan with a magical spell to create a super - powerful attack.