Of course, Izuku himself is the central character. Then there are often characters like Ochaco Uraraka. Her friendly and kind nature makes her a likely candidate to be part of Izuku's harem. Momo Yaoyorozu also frequently appears. Her intelligence and beauty are traits that are often explored in relation to her being in Izuku's harem. And Tsuyu Asui might also be included due to her unique personality and her relationship with Izuku in the original story.
Common characters include Izuku's closest friends. In addition to the ones mentioned before, Toru Hagakure could be in the harem. Her invisible nature can create some interesting plot points in the fanfiction. Nejire Hado from another school might also show up. She is a powerful and bubbly character. And let's not forget Mei Hatsume, who is always inventing things. Her unique relationship with Izuku in the original series can be further explored in a harem - themed fanfiction.
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.
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.
One popular 'powerful Izuku harem fanfiction' could be 'Powerful Izuku's Multitude of Loves'. In this story, Izuku is often depicted as having not only great power but also attracting a diverse group of characters into his life in a romantic context. Another might be 'Izuku's Harem of Heroes', where his heroic deeds and newfound strength draw the attention of female heroes who then form a harem around him.
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.
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.
Bakugo is often paired with Izuku. Their complex relationship from the original series can be further explored in fanfiction with Izuku's growth quirk. All Might is also a common character paired with Izuku. He could play a role in guiding Izuku to control and develop his growth quirk. Ochaco is another one. She might be involved in stories where Izuku's growth quirk affects his relationships, especially romantic ones.
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.
Bakugo is often a key character. In many fanfictions, Bakugo's reaction to Izuku's evolving quirk can range from envy to begrudging respect. Their relationship is always a central focus, with Bakugo either trying to outdo Izuku or having to come to terms with Izuku's newfound power.
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.
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.