One great Ichigo time travel fanfiction is 'A Time - Twisted Adventure'. It takes Ichigo to different points in the Bleach timeline in unexpected ways. The character development is really interesting as he has to adapt to the past or future situations while still holding onto his core values.
Ichigo might go into a state of self - reflection. He would wonder if there is something he has unknowingly done to cause this. He would try to analyze his past actions during the time travel. He might isolate himself from his so - called betrayers for a while to think things through. But ultimately, he would not give up on his friends. He would strive to find a way to regain their trust and set things right, because he values his relationships with them deeply.
First, you need to have a clear understanding of Ichigo's character. Know his strengths, weaknesses, and what makes him tick. Then, when it comes to the time travel aspect, establish the rules early on. For the betrayal part, create a believable reason for why someone would betray Ichigo. It could be related to power, love, or some hidden agenda. Make sure the plot progresses logically and that Ichigo's reactions are in line with his character. Also, don't be afraid to add some twists and turns to keep the readers interested.
One possibility could be that Ichigo is betrayed by a close friend during his time - traveling adventures. Maybe this friend is jealous of Ichigo's powers or has been influenced by an enemy. This betrayal could lead Ichigo to question his relationships and his purpose in the time - traveling journey. He might then have to find a way to overcome this betrayal and still fulfill whatever mission he has in the different time periods.
Often, Aizen can still be a major antagonist even in time travel fanfictions. His schemes might extend across time, and Ichigo and Orihime have to figure out how to stop his plans that are messing with different timelines. Another could be the more powerful versions of Hollows from different time periods. They might be stronger and more menacing than the ones Ichigo and Orihime are used to in their original timeline.
One great 'Bleach Ichigo Shiba Time Travel' fanfiction is 'A Shiba's Journey Through Time'. It has an interesting plot where Ichigo, in the guise of a Shiba, travels back in time and has to deal with past events that shape the future of the Soul Society. The author does a great job of keeping the characters in - character and the time - travel mechanics are well - thought - out.
One great Ichigo Mugetsu time travel fanfiction is 'A New Beginning'. It has an interesting plot where Ichigo travels back in time and tries to change certain events. The character development is well - done and it keeps you hooked.
One common theme is self - discovery. When Ichigo travels through time, he often has to re - evaluate who he is and what his purpose is. Another theme is the alteration of fate. His presence in different timelines can potentially change the future. And of course, friendship is a big theme too. He might meet his friends in different forms or at different points in their lives during his time travels.
In some fanfictions, they might time travel to an era where the Quincy were more powerful. Ichigo, being part Quincy, might have to face some difficult decisions regarding his heritage. Orihime would be there to support him, and together they could end up changing the course of history between the Shinigami and the Quincy. This could lead to a completely different world in the present, with new alliances and enmities.
One possibility could be that during his time travel, Ichigo discovers that his friends or allies in the future have turned against him for some reason. Maybe they believe he has become too powerful and is a threat. So they plot to betray him, which sets up a conflict where Ichigo has to fight against those he once considered friends while also trying to figure out a way to fix the timeline.