There's also 'Izuku's Harem Adventure'. In this fanfiction, the author creates unique scenarios where Izuku finds himself in the middle of a harem. It has great character development for not only Izuku but also the members of his harem, exploring their individual personalities and how they interact with Izuku.
Another theme is power - up in relation to relationships. Sometimes, the support from his harem members helps Izuku grow stronger in his hero - related abilities. It shows how his personal life can influence his development as a hero.
In fanfictions, Mina Ashido might be in Izuku's harem. Her energetic and fun - loving personality could add a lot of color to the harem. Jirou Kyoka could also be a potential member. Her musical quirk and her somewhat reserved nature could create an interesting contrast with Izuku. And then there's Toru Hagakure. Her invisible quirk and her friendly personality could make her a unique addition to Izuku's group of love interests.
Obviously, Izuku Midoriya is the central character. Then there are often characters like Ochaco Uraraka, who could be part of the harem as she has shown an interest in Izuku in the original series. Tsuyu Asui might also be included as she is a close friend and could potentially develop deeper feelings for Izuku in fanfiction.
A major theme is also the idea of support. The characters in the harem are often there to support Izuku in his journey to become a great hero. This can include emotional support, like when he's feeling down about his progress, or practical support during battles or training. And of course, there's the theme of love and attraction, which is a fundamental part of any harem story. Different characters in the harem will show their love for Izuku in various ways, whether it's through acts of kindness, protecting him, or just being there for him.
Ochaco Uraraka is a common character in the harem. Her kind and friendly nature makes her a likely candidate. Momo Yaoyorozu is also often included. Her intelligence and elegance add an interesting dynamic to the harem. And Tsuyu Asui could be part of it too, with her unique personality.
Another plot could involve Izuku being in a situation where his harem has to work together to protect him. Maybe they find out about a secret plot against Izuku and combine their unique quirks to keep him safe. This would show the different relationships he has with each of them and how they interact as a group.
In My Hero Academia Izuku Harem Fanfiction, the 'accidental closeness' trope is quite prevalent. For example, Izuku might accidentally fall on one of the girls in the harem, leading to an embarrassing yet cute moment. There's also the 'rivalry - turned - love' trope. Some of the characters who initially see Izuku as a rival might later develop feelings for him and join the harem.
In these fanfictions, Izuku often develops more confidence in his relationships. For example, he may start off shy around the girls in his harem but gradually become more assertive. This is because the support and love from his harem give him an extra boost.
One popular story could be 'Izuku's Harem Adventure'. In it, Izuku might find himself in various situations where he gradually forms a harem with different characters from the 'My Hero Academia' universe. Each character brings a unique dynamic to the story, like Ochaco's bubbly nature or Momo's intelligent charm.