What are the common themes in 'blend s miu x hideri' fanfiction?

I'm not sure about specific 'blend s miu x hideri' fanfiction. You could try searching on popular fanfiction websites like Archive of Our Own or FanFiction.net. They usually have a wide variety of fanfictions for different series.

One common theme is the clash of their personalities. Miu is brash and outspoken while Kokichi is more devious. Their interactions based on these differences are often explored.

One common theme is growth. Their relationship often serves as a means for both Shuichi and Miu to grow as characters. For example, Shuichi might become more confident in expressing himself, while Miu might learn to be more empathetic.

One common theme could be friendship turned into something more. Since they interact in the original work, fanfictions might explore how their bond deepens into a romantic relationship.

One common theme could be the growth of their relationship. It might show how they start from being just friends or comrades and gradually develop deeper feelings for each other.

One common theme could be friendship development. Since they are characters from 'blend s', their relationship might be explored in terms of how they become better friends over time.

One idea could be that Akatsuki and Miu are from different worlds or groups. They meet by chance during a chaotic event. Akatsuki is initially suspicious of Miu but as they face various challenges together, they start to trust each other and form a deep bond.

For Akatsuki, you can develop his character by showing his past traumas and how they affect his present actions. Maybe he has a troubled history that makes him reserved. As the story progresses, Miu's presence could start to heal those emotional wounds. For Miu, her character can be developed by putting her in difficult situations where she has to use her wits and her special skills. This will show her growth and make her more interesting.

One common theme is friendship. Writers often explore how rider and s4 form a strong bond and support each other through various challenges.

One popular theme could be her training and growth as a fighter. Another might be her relationships with other characters in the story, like her comrades or mentors.