A popular theme is the redemption arc in the context of a slash crossover. Kisuke Urahara may have some actions in his past that need to be redeemed in a new crossover universe. This could be combined with a relationship, say with a character from a different series who helps him on this journey. Another theme is the exploration of his unspoken emotions. In the original series, he keeps a lot to himself, and in fanfiction, especially slash crossovers, writers like to expose and develop these hidden feelings in relation to characters from other franchises.
Some common themes include power dynamics. Since Kisuke Urahara is a very powerful character, fanfictions often explore how his power interacts with the powers of characters from other shows in a slash relationship. There's also the theme of mystery. His mysterious nature in the original Bleach series can be further delved into in crossovers. Writers might use this to create complex and engaging storylines that involve other characters trying to understand him on a deeper level while also having a romantic or slash - based relationship with him.
One common theme is friendship turned into something more in the crossover context. For example, when Urahara crosses over with another character, they start as comrades in an adventure and then develop deeper feelings.
There are quite a few 'kisuke urahara crossover slash fanfiction' out there. Some focus on his crossovers with characters from other anime. For example, a story where he crosses over with a character from 'Naruto' and their interactions lead to some interesting plot developments. These fanfictions are a great way to explore different character dynamics that the original series may not have delved into.
One idea could be a crossover with the Naruto universe. Kisuke Urahara could end up in Konoha and start trading his unique inventions for ninja tools. He might also teach some of the shinobi his advanced spiritual techniques, which could completely change the power dynamics in the Naruto world.
Well, they start by taking his existing personality - his slyness, his intelligence, his sense of mystery. In a crossover, say with a DC Comics universe, they could put him in a situation where his intelligence is pitted against the likes of Batman. This would force him to adapt and show new aspects of his character. Also, his relationships in the crossover are key. If he has a slash relationship with a character like Superman, his character will develop as he has to navigate the differences in their values and powers. Writers also like to play with his backstory, perhaps revealing new parts of it based on the events of the crossover.
Luffy from One Piece could also be a good pairing. Luffy's carefree and adventurous nature combined with Urahara's mysterious and intelligent personality would create a fun dynamic. They could be on a quest to find a special treasure that has both spiritual and pirate - related significance.
Another could be a friendship - centric story. Maybe the reader is a new soul reaper in training and Kisuke Urahara takes them under his wing as a mentor. They develop a deep bond of friendship through training sessions, sharing knowledge about the spirit world, and getting into some light - hearted misadventures around the Seireitei.
Friendship turned into a deeper connection might be another theme. In these fanfictions, they often start with a basic acquaintance or friendship and then develop romantic or more complex feelings as the story progresses. Also, themes of self - discovery for both characters can be common as they navigate their new relationship. For example, Ichigo might discover new aspects of his powers or himself through his relationship with Urahara, and vice versa.
One interesting Kisuke Urahara OC fanfiction could be about an OC who is a time - traveling apprentice of Urahara. The OC might bring new techniques from the future to the Soul Society, causing a stir among the Shinigami. Another could focus on an OC with a unique power that Urahara helps to develop, leading to them becoming an important ally in a major battle against the Arrancar.
A third storyline could be about Naruto and Urahara working together to rescue someone. Suppose a powerful villain has kidnapped someone important from both Naruto's village and someone Urahara cares about in the Bleach world. They would have to combine their different strengths, Naruto's brute strength and Urahara's intelligence and trickery, to outwit the villain and rescue the captive.
It could be about Kisuke Urahara using his Bleach - like powers in the Naruto world. Maybe he'd introduce new forms of combat or technology to the ninjas.