The fanfic allows for exploring different scenarios that might not be possible in the original series. For example, their relationship could be developed in a whole new way, like in a AU (alternate universe) setting. This gives the writer and the reader a chance to imagine different storylines for them. Also, the way their individual backstories can be intertwined in the fanfic makes it even more interesting.
You can try looking on fanfiction websites like Archive of Our Own. There are often many well - written isshin x kisuke fanfics there. Just search for the pairing and browse through the results to find ones that suit your taste.
Another theme could be power transfer. Given Isshin's own powers and Ichigo's growth, fanfics might play with the idea of how Isshin could further help Ichigo develop his abilities. This could involve training sessions or even some kind of power - sharing scenario that goes beyond what we saw in the original series.
Friendship is a common theme. Many fanfics explore how isshin and shinji form a deep and meaningful friendship that withstands different trials. For example, in some, they help each other overcome personal insecurities.
In 'ichigo x isshin yaoi fanfic', family relationships can be an interesting theme. Given their possible connection in the original story, fanfic authors might play with the idea of how this relationship changes or is redefined when a romantic element is introduced. Another theme could be the power dynamics between them, especially if one character has more power or knowledge than the other in the original setting.
Sure. You can try searching on fanfic websites like Fanfiction.net or Archive of Our Own. Just type in 'ichigo x isshin' in their search bars, and you'll likely find a variety of fanfics about them.
One common theme is mentorship. Kisuke often acts as a mentor to Ichigo, guiding him in his powers and understanding of the Soul Society. Another is friendship, as they grow closer through their shared adventures.
A common theme is the growth of their relationship. It could start as a mentor - student type of relationship where Kisuke guides Ichigo in his powers, and then develop into a deeper bond.
An 'abusive isshin fanfic' is likely a fan - created fictional work related to a character named Isshin that involves some form of abuse in the storyline. However, this can be a very disturbing and unethical concept if it involves real - world harmful types of abuse.
I'm sorry, I don't have specific 'ichigo x isshin yaoi fanfic' to recommend directly. You can try searching on some fanfic websites like Archive of Our Own. They usually have a large collection of fanfictions, and you might be able to find what you're looking for by using the relevant tags.