What are some interesting plot ideas for a Naruto x Avatar harem fanfiction?

One idea could be that Naruto somehow gets transported to the Avatar world and his unique ninja skills draw the attention of multiple female characters. They might be intrigued by his determination and power, leading to a harem - like situation where they all vie for his attention.

One idea could be that the OC is a powerful bender who saves a group of characters of different genders from a great danger. In return, they all develop feelings for the OC and form a harem. For example, if the OC is a water bender, they might save some earth benders and fire benders from a group of bandits. Another idea is that the OC has a special ability that is needed to save the Avatar world, and as they travel around recruiting help, different characters join them and fall in love.

One idea could be Naruto somehow finds himself in a situation where he has to team up with Tayuya frequently. As they interact more, a harem starts to form around Naruto, with Tayuya being one of the key members. The plot could involve them going on missions together and Naruto gradually realizing his feelings for Tayuya among the others in the harem.

One idea could be that Naruto discovers Tayuya has a group of friends who are also interested in him, creating a harem situation. He has to navigate his feelings for Tayuya while also dealing with the others. Maybe they all go on missions together and Naruto gradually realizes his deeper connection with each of them.

One idea could be that Naruto, through some magical or mysterious event, ends up in a different universe where he has to deal with a harem of various characters from different anime. For example, he might find himself in a world with characters from Fairy Tail, One Piece, and Bleach all vying for his attention. Another could be that Naruto's already large group of friends in the Naruto universe start to develop romantic feelings for him all at once, creating a sort of accidental harem situation. Maybe Sakura realizes she always loved Naruto more than Sasuke, Ino also has a change of heart, and then some new female characters are introduced who also fall for him.

Well, a possible plot could be that in the Naruto universe, a portal opens up and out come some of the Overwatch female heroes. Naruto, being Naruto, is intrigued and wants to help them find their way back. As they stay in his world, they learn about chakra and Naruto's way of life. In return, they teach him about their advanced technology. This interaction could lead to some romantic feelings developing among them, creating a harem - like situation. For instance, Mercy might be fascinated by Naruto's healing abilities which are different from her own and a bond could form between them.

One idea could be that Naruto, in a different reality where Naruko exists, has to navigate through a series of challenges while being part of a harem. For example, he might have to prove his worth to each member of the harem, including Naruko. Another plot could involve a mysterious force that brings the harem together and Naruto has to figure out how to keep everyone happy and safe.

A possible plot could involve Naruto being mistaken for a new meta - human in the DC world. As he tries to find his way back home, he ends up in the middle of Gotham or Metropolis. His kindness and strength start to draw the attention of female characters. Superman's cousin, Supergirl, might see him as an interesting addition to the hero community, while Catwoman could be interested in his skills for more self - serving reasons. This creates a harem - like situation where Naruto has to deal with different female characters with different motives.

One idea could be that Naruto, after achieving great power, somehow travels back in time and meets Kaguya before she turned evil. He then forms a harem with her and some other female characters from the Naruto universe who are also drawn to his unique power and kind heart.

Another plot could be that Naruto's sister is in a harem - like situation where multiple guys are interested in her, but Naruto accidentally gets involved and ends up being the one the girls in the group are more attracted to. He might initially be oblivious to their feelings, thinking they are just being friendly because of his sister, but as time goes on, he realizes the true nature of their affections.