One common theme is the struggle against the arranged marriage at first. Both Loki and the OC usually have their own ideas about love and freedom, so they resist the idea of being forced together.
Another theme is the growth of their relationship. It usually starts off rocky but then they gradually learn to understand and respect each other. They might find common ground in their desire to protect their villages or in their shared experiences as leaders. For example, Naruto's journey of acceptance of Mei as his partner and vice versa is often explored. They overcome misunderstandings and differences to form a strong bond.
The main characters are clearly Ikuto and Amu. Ikuto is often depicted as a mysterious and somewhat cool - headed character. Amu is a girl with a strong will and a lot of determination. In the context of an arranged marriage fanfiction, their personalities play a huge role in how they react to the situation and how their relationship develops.
One possible plot could be that at first, both Ikuto and Amu are resistant to the idea of an arranged marriage. Amu, being the headstrong girl she is, might try to find ways to break it off. But as they start spending time together, they discover new sides of each other. Ikuto might show his caring side towards Amu, and Amu could start to see Ikuto in a different light, gradually falling in love despite the arranged nature of their union.
The theme of cultural exchange could be prominent. Since Naruto is from Konoha and Kurotsuchi is from Iwagakure, their marriage would bring about an exchange of cultures. Also, the theme of sacrifice could be there. They might have to sacrifice some of their personal desires for the greater good of their villages and the relationship. And finally, the theme of friendship could develop as they start as strangers in an arranged marriage and gradually become friends and maybe more.
Well, in this fanfic, perhaps the arranged marriage is a political move. Tsubade, being from a powerful clan, and Naruto, as the hero of the village, are united in marriage to strengthen the village's alliances. At first, they have a lot of misunderstandings. Naruto is always out on missions, and Tsubade feels neglected. But as time passes, they communicate more and realize they have a lot in common and develop real feelings for each other.
Well, one possible plot could be Naruto initially being shocked by the arranged marriage but gradually realizing Tsunade's strong and kind side. They might start with awkward interactions as Naruto tries to understand his new role as Tsunade's partner. And then, they could face challenges together, like threats to the village which strengthen their bond as they work to protect it.
Well, one possible plot could be that their families arrange the marriage for political reasons. Sasuke might be initially reluctant as he has his own goals and past traumas. Hinata, on the other hand, could be shy but also hopeful for a new start. As they start living together, they gradually discover each other's true selves. Sasuke could find Hinata's kindness and inner strength appealing, and Hinata could see the good in Sasuke despite his cold exterior. Eventually, they could fall in love and build a strong relationship together.
Well, obviously Naruto and Kushina are the main characters. Naruto, the hero of the original Naruto series, with his dreams of becoming Hokage and his strong will. Kushina, Naruto's mother in the original story, here in the fanfiction she is a key character in an arranged marriage situation with Naruto.
In the 'naruto x kurenai arranged marriage fanfiction', it could start with the village elders arranging the marriage without Naruto or Kurenai's consent. Naruto is busy with his own missions and dreams, and Kurenai is focused on her teaching. However, when they meet, Naruto's positive energy starts to affect Kurenai. They slowly start to communicate more. Kurenai might help Naruto with his emotional growth, as she is more mature. And Naruto could inspire Kurenai to be more adventurous. Eventually, they come to accept the arranged marriage and build a life together.