Perhaps a story where Ichigo and Unohana are on a joint mission. They are forced to rely on each other's skills. Unohana's calm and calculating nature could complement Ichigo's more impulsive fighting style. They might face a powerful enemy that requires both of their powers combined to defeat, leading to a deeper understanding and respect between them.
Perhaps the time travel is not what it seems. It could be a trap set by an unknown enemy. When Ichigo and Unohana think they are traveling through time to fix something, they are actually being led into a situation where they will be separated and used against each other. This would create a lot of drama and conflict in the fanfiction.
One possible plot development could be that they initially keep their relationship a secret due to their different positions or the rules within their world. Then, as they grow closer, they face challenges together, like dealing with enemies who might try to use their relationship against them.
I'm not sure if there is such a specific fanfiction. Fanfiction can cover a wide variety of scenarios, but this particular one might be a bit rare or not in line with the general tone of the original work. You could try searching on some major fanfiction websites to see if it exists.
One key element could be the contrast between their personalities. Ichigo is impulsive and passionate, while Unohana is calm and composed. This contrast can create interesting dynamics in their relationship. Another element could be the Soul Society setting. The rules and hierarchies there can either be obstacles or catalysts for their love. Also, their respective powers play a role. Ichigo's Hollow - influenced powers and Unohana's healing and combat skills can bring them together in battles, where they rely on each other.
A storyline might involve Ichigo's unique powers causing some initial distrust among the Avengers. But as they face a common enemy, they come to realize his value. For example, if there's a threat that can only be defeated by a combination of physical strength and spiritual power, Ichigo would be the key. He could also have storylines related to his relationships with individual Avengers members, like a friendly rivalry with Thor over who is stronger.
There might be some stories where they team up to fight a powerful enemy. For example, in a fan - created scenario, they could join forces against a new Hollow threat that is stronger than any they've faced before. This would show their combat skills and how they might work together.
Maybe in the fanfiction, there's a threat that only Ichigo and Unohana can face together. They have to combine their different fighting styles, with Ichigo's brute strength and Unohana's precise and deadly techniques, to overcome the enemy. For example, they might encounter a powerful Hollow that has the ability to nullify most spiritual attacks, so they need to rely on their physical combat skills and teamwork.
In a world where the lines between life and death blur, Ichigo and Unohana's love could be a story of redemption. Ichigo, with his fiery spirit, might initially be at odds with Unohana's calm and collected demeanor. But as they face battles together, they start to see the strength in each other. Ichigo notices Unohana's hidden kindness beneath her stern exterior, and Unohana is drawn to Ichigo's unwavering will. Their love could grow slowly, like a flower in a battlefield, defying the chaos around them.
In non - lemon fanfics, Ichigo is often depicted as the determined and powerful hero. He is constantly growing in his abilities and facing new challenges. Unohana, on the other hand, is usually portrayed as a very skilled and wise character. She might be a mentor figure to Ichigo, guiding him with her vast knowledge of the Bleach world.
Ichigo is often headstrong and driven by his sense of justice. Unohana, on the other hand, is more reserved and has a deep well of knowledge. Their personalities would likely create a dynamic where Ichigo might initially be a bit frustrated by Unohana's calm approach, but gradually learn to appreciate it as he realizes the wisdom behind it.