Well, in 'ichigo and fem aizen lemon fanfiction', Ichigo is often the more emotional and impulsive one. His reactions to Fem Aizen's actions and presence are key elements. He might be drawn to her in a way that challenges his sense of right and wrong. Fem Aizen could be depicted as having a seductive allure that she uses to her advantage. She might also have a more complex backstory related to her femininity in this fan - created world. Her relationship with Ichigo is usually full of tension and a sort of forbidden attraction due to their different natures and the history between Aizen and Ichigo in the original Bleach storyline.
In 'ichigo and aizen lemon fanfiction', the focus is usually on the dynamic between Ichigo and Aizen. It might play with the idea of their rivalry in a more intimate or emotional context. This can add new layers to their characters. However, not all such fanfictions are well - written. Some might over - emphasize the 'lemon' aspect and lose the depth of the characters' relationship.
Rukia could be one. Since she has a close relationship with Ichigo, she might be shown cheering him on or even having some sort of role in the fight. Uryu could also be highlighted. He's a powerful Quincy and might have some unique insights or actions during the fight. Orihime, with her healing and shield - like abilities, could potentially play a role in protecting Ichigo or the others during the battle.
One idea could be that Aizen kidnaps them to use Ichigo's power and Rukia's knowledge of Soul Society for his own dark plans. He might want to study Ichigo's unique Hollow - Shinigami powers up close and use Rukia as a bargaining chip with Soul Society.
In this fanfiction, Ichigo might be held in a secret location by Aizen. Aizen could be planning to use Ichigo for some dark experiment or to gain his power. Maybe he'll try to manipulate Ichigo's Hollow side for his own evil purposes.
You can try searching on popular fanfic platforms like Fanfiction.net or Archive of Our Own. Just use the keywords 'Aizen - Obsessed Ichigo Rukia' in their search bars, and you might find relevant fanfics.
Aizen might be motivated by power. Ichigo has a very unique power set that Aizen may want to harness for himself. And Rukia, being from Soul Society, could be used as a way to gain information or leverage against Soul Society.
One thing that makes it special is the unique combination of two very distinct characters. Ichigo is the hero with a strong sense of justice, while Aizen is the complex villain. In the fanfiction, their interactions can be both thrilling and unexpected.
They are an interesting pairing because they are so different. Ichigo is a hero with a strong sense of right and wrong, while Fem Aizen has a more complex and often morally ambiguous nature. This contrast can lead to great character development and plot twists in fanfiction.