First, start with their initial encounters which are full of conflict since Izuku is a villain and Tsuyu is a hero. As they cross paths more often, they could gradually start to have conversations that make them realize they are not so different. For example, they might both have the same goal of protecting the weak, just with different methods.
A more complex plot could involve a time - traveling aspect. Villain Izuku from the future travels back in time and meets a younger Tsuyu. He tries to manipulate events to his advantage, but Tsuyu's kind nature starts to change him. This could lead to a whole new timeline where Izuku's path to villainy is altered.
In this fanfiction, Izuku's character development could be a journey of self - discovery. He might initially be influenced by the villain's negative view of heroes. But as he meets real heroes or witnesses heroic acts, he would start to question the villain's teachings. His development could also involve learning to control his emotions better. The villain's environment might be harsh and unpredictable, so Izuku would need to become more resilient. He would gradually grow into a complex character who has elements of both the villain's influence and his own independent, heroic spirit.
Another way to find good Izuku x Kyouka fanfics is to ask in relevant fandom communities. For example, on Reddit's My Hero Academia subreddit, you can post a request for Izuku x Kyouka fanfics. Fellow fans are likely to recommend their favorite ones based on their own reading experiences. They might even provide some insights about what makes those fanfics special.
In an Izuku x Kyouka fanfic, the story could start with a simple encounter at school. They might initially be just classmates, but as the story progresses, they discover a deeper connection. Their different personalities can create a lot of interesting dynamics. Izuku's kind - hearted and sometimes naive nature contrasts with Kyouka's more reserved and cool - headed personality. This contrast can lead to both comical and heart - warming moments in the fanfic.
One popular 'bnha villain izuku fanfic' might be those that explore his transformation into a villain due to being constantly bullied and overlooked. For example, some stories could show how his experiences with Bakugo's constant aggression pushed him to the dark side. Another aspect could be his different powers and how he uses them for villainous purposes, like his One For All ability being used in unexpected and menacing ways.
Perhaps the villain adopts Izuku out of a sense of pity at first. But then, realizing Izuku's quirk could be useful, he starts to use Izuku for his own gain. The story could involve Izuku being sent on dangerous missions by the villain. Izuku, being young and naive, initially obeys. But as he witnesses the harm his actions cause, he begins to resist. This could lead to a conflict between Izuku and the villain, with Izuku trying to find his true identity and purpose outside of the villain's control.
The Joker could be a great villain. Imagine if the Joker - like character emerged in the My Hero Academia world. Izuku, with his new Batman - inspired skills, would have to use his wits to outsmart this chaotic and unpredictable foe.
There are also some specialized BNHA fanfic communities on Reddit. Subreddits like r/BokuNoHeroAcademiaFanfiction often have threads dedicated to sharing and discussing 'bnha villain izuku fanfic'. You can ask for recommendations there, and fellow fans will be more than happy to point you in the right direction. Additionally, Tumblr has a lot of BNHA fans who post and recommend fanfics, so it's worth a look.