For Villain Deku, start by showing his gradual descent into villainy. Maybe he starts having doubts about the hero system and those doubts fester. For his relationship with Kacchan, show how his feelings change from friendship (or rivalry) to something more complex. For Kacchan, show his initial shock and anger at Deku's turn. Then, have him start to question if there was something he could have done to prevent it. As the story progresses, he could start to see the good in Deku again.
Well, a plot could involve a power struggle. Villain Deku has some new and dangerous powers that he uses to challenge Kacchan. Kacchan, being the proud hero he is, refuses to back down. Along the way, they start to understand each other better. Maybe Deku's villainy is a result of some misunderstanding or being pushed too far by the hero society. As they interact more, they might find a way to reconcile their differences and even work together to change the hero society that led Deku astray in the first place.
One of the interesting aspects in these fanfictions is how the characters' individual growth affects their relationship. Deku's development of his quirk and his rise in confidence, and Kacchan's journey to become a better person and hero, can all be intertwined in the stories. These elements create a rich tapestry of scenarios and emotions within the fan - created world of Deku x Kacchan.
One common theme is growth. Both characters often grow as individuals and in their relationship. For example, they might learn to overcome their insecurities or past rivalries. Another theme is the power of friendship evolving into love. They start as classmates or rivals, and then their bond deepens into something more romantic.
Power - sharing or training together is also a common theme. Writers like to imagine how Deku's unique quirk and Kacchan's powerful abilities could be combined or enhanced when they train or work side by side. This not only shows their growth as heroes but also deepens their relationship in the fanfiction.
A 'villain deku x villain todoroki fanfiction' might focus on their backstories that led them to become villains. It could be that they were both wronged by the hero system in some way. Deku might have been rejected too many times or faced unfair treatment, and Todoroki could have some family - related issues that pushed him to the dark side. The story could then show how they form an alliance and start their villainous journey together.
One popular 'deku x female kacchan fanfiction' might be 'A New Bond'. In this story, Deku and female Kacchan start to see each other in a new light after a shared adventure. Their relationship develops as they face challenges together and learn to understand each other's strengths and weaknesses.
Well, in such a fanfiction, it often explores a different side of Deku being a villain and his relationship with Todoroki. It could be about how their dynamic changes from the original story. Maybe Deku as a villain has different motives and goals that somehow involve Todoroki, like trying to use Todoroki's power for his own evil plans or trying to turn Todoroki to his side.
Well, 'Deku and Fem Kacchan: A Different Dynamic' is a great fanfiction. In this one, the author delves deep into the characters' personalities. Fem Kacchan is shown as having a more complex relationship with Deku. It's not just about rivalry but also about mutual respect. Then there's 'Fem Kacchan's Redemption with Deku' which is about Fem Kacchan trying to make up for her past behavior towards Deku and how they grow closer as a result. And 'Deku's Support for Fem Kacchan' shows Deku being there for Fem Kacchan during her tough times, which is really heartwarming.
Their relationship could start with mutual self - interest. They both recognize the power and chaos the other can bring. For example, Toga's ability to transform could help Villain Deku infiltrate places, and he can offer her protection in return.