In a 'boku no hero academia the gamer fanfiction', the main character could be a transfer student who has a gamer - inspired quirk. They could use this quirk to create strategic plans for hero battles. For instance, they can map out the battlefield in their mind like a game level. They might also be able to recruit other heroes by offering them in - game - like rewards. This would create a whole new dynamic in the relationships between heroes. Additionally, they could use their knowledge of gaming glitches to find weaknesses in villains' defenses.
One idea could be a gamer who gets transported into the Boku no Hero Academia world and has to use their gaming skills to survive and become a hero. For example, they might have an in - game inventory system that they can use to access items that help them in battles.
A cool fanfiction concept could be to have a character lose their quirk and then have to find a new way to be a hero. This would show their determination and resourcefulness. Or, you could write about a new villain who has a quirk that specifically targets the heroes' weaknesses, and how the heroes would have to work together to overcome this threat.
One idea could be exploring Tomura's past in more detail. Maybe show his childhood before he became a villain, how he was influenced by All For One. Another could be a story where Tomura tries to redeem himself, which would be a huge twist from his normal villain role.
One idea could be a crossover with 'One Piece'. The heroes from 'boku no hero academia' could end up on the Grand Line and have to deal with pirates while also using their quirks. Another is a crossover with 'Naruto'. Maybe the students of UA could train with the ninja in Konoha, learning new skills and sharing their quirk knowledge. A third could be a crossover with 'Attack on Titan', where the heroes have to face the Titans and figure out how to use their quirks to defeat these huge threats.
Another plot could be reincarnating as a student in a different class than the main characters. The protagonist then has to work hard to prove themselves and make their own mark in the hero school, while also interacting with the well - known characters in new and unexpected ways. For example, they might form an alliance with a character who was originally an antagonist in the series.
One idea could be that the main character has a gamer ability that allows them to level up their hero skills like in a game. For example, they earn experience points for every good deed or fight they win. Another plot could involve a gamer from our world getting transported into the My Hero Academia universe and using their gaming knowledge to outwit villains. Maybe they introduce new 'game mechanics' to the hero world, like quests for heroes to complete for special rewards.
A plot could revolve around Itsuka Kendo forming an unexpected alliance with a villain. Maybe she realizes that the villain has some redeeming qualities or is being forced into their actions. This would put her in a moral dilemma as she tries to figure out how to handle the situation while still being a hero.
One idea could be that Naruto characters are transported to the My Hero Academia world and have to adapt to the different power system. For example, Naruto might be confused by the concept of Quirks at first but then find similarities to chakra. Another could be a training session where Deku and Naruto train together, with Naruto teaching Deku about his never - give - up attitude.
One idea could be exploring new quirks that emerge in the future. For example, a quirk that allows the user to manipulate time on a small scale, which could add a whole new dynamic to battles and relationships. Another could be about the next generation of heroes facing a new, more powerful villain that the current heroes have unknowingly set the stage for. Maybe a villain who has found a way to nullify all existing quirks.
A more complex plot could be that the OC reincarnates into a world where the events of 'boku no hero academia' have taken a different turn. Maybe All Might was defeated much earlier and the villains are in almost complete control. The OC has to find a way to gather the remaining heroes, train them in new ways, and inspire hope again. This would involve a lot of character development as the OC has to prove themselves to the jaded heroes and also face the very powerful villains.