In this 'izuku controls time fanfiction', perhaps he discovers his time - controlling power accidentally. He then uses it to explore different timelines. He might meet alternate versions of himself and his friends. This exploration of different realities could lead to him finding a way to make his own timeline a better place, like bringing back fallen heroes or preventing the destruction of parts of the city.
All Might would probably be in it. Since he's Izuku's mentor, he could play a role in helping Izuku understand and control his time - controlling power. Maybe he has some past experience related to time powers that he shares with Izuku.
Ochaco Uraraka could also be a common pairing. Since she has her own insecurities and dreams in the hero world, Izuku's reality - controlling power could play a role in either helping her achieve her goals or creating new challenges for their relationship. For example, if Izuku accidentally changes something in reality that affects her family's financial situation, it could impact their relationship and how they interact.
One possibility is that Percy uses his time - controlling ability to prevent a great disaster in his world. Maybe he goes back in time to stop an evil force from being unleashed in the first place.
One interesting plotline could be Izuku using his reality - controlling powers to create a world where everyone has equal opportunities in the hero world, regardless of their quirks or background. He might rewrite the rules of hero society to make it more inclusive and fair.
Well, it could be that Izuku goes back in time and tries to change the way he became a hero. In the original story, he had a tough time at first. With Momo by his side this time, things could be different. Momo might be able to provide resources or support that Izuku didn't have before. And as Izuku tries to change his own hero journey, he might also end up changing the entire hero society in ways he didn't expect, all while building a deeper relationship with Momo.
One idea could be that Izuku's time quirk allows him to reverse time for a short period during battles. So he can correct his mistakes and outwit his opponents. For example, if he made a wrong move in a fight against a villain, he could reverse a few seconds and choose a better strategy.
One possible plot could be that godlike Izuku uses his newfound powers to go back and prevent certain tragedies in the past. For example, he might stop the initial attack that led to so much chaos in his world. He could also use his knowledge of the future to help his friends earlier, like giving Midoriya tips on how to control his quirk better from the start.
Well, it could be about Izuku making new friends at the university. Maybe he joins some sort of hero - related study group and they all work together on projects.
Bakugo is often paired with Izuku. Their relationship is complex in the original series, and in fanfiction with Izuku's time quirk, it could add more depth. Bakugo might be jealous of Izuku's new power at first but then come to respect it as they face challenges together.
All Might often appears. Since he was Izuku's mentor, in time travel scenarios, he might be the one Izuku turns to for advice or assistance. Another common character is Bakugo. Their complex relationship can be explored further in time travel stories, like if Izuku goes back in time, he might try to change how Bakugo treated him in the past.