Well, in such a fanfiction, it often explores a different side of Deku being a villain and his relationship with Todoroki. It could be about how their dynamic changes from the original story. Maybe Deku as a villain has different motives and goals that somehow involve Todoroki, like trying to use Todoroki's power for his own evil plans or trying to turn Todoroki to his side.
Not all texting stories are free. Some are, but many come with costs like ads or limited access without paying. You need to check the specific app or website to know for sure.
One popular Midnight x Deku fanfic might be 'Midnight's Guidance'. In this fanfic, Midnight could be portrayed as a mentor figure to Deku, guiding him in ways that are different from his regular teachers at UA. She might use her unique quirk knowledge to help Deku enhance his own quirk.
A girl I knew got a text from her ex - boyfriend who had passed away a year before. The text just said 'I miss you'. She thought it was some cruel prank at first. But then more texts came. 'Why did you forget me?' She was really scared. She showed the texts to her family, but they thought she was making it up. She changed her number in the end, but she still wonders if it was really her ex - boyfriend somehow reaching out from the other side.
You can start a texting story by introducing the main character and their situation. For example, 'John was sitting in a boring meeting when his phone buzzed. He saw a text from an unknown number.'
You can try Archive of Our Own (AO3). It has a large collection of fanfics, and you can easily search for Midnight x Deku fanfics using the search function. Just type in 'Midnight x Deku' and it'll show you relevant results.
One popular 'shinsou x deku fanfic' is 'Soul Bond'. It delves deep into their relationship development, exploring how they support each other during training at UA. Another good one is 'Unlikely Allies' which focuses on their teamwork in a unique mission scenario. And 'Hidden Affections' shows a more emotional side of their relationship, with a slow - burn kind of love story.
Power imbalance is often a theme. Deku might gain new, more dangerous powers as a villain, and Todoroki has to figure out how to deal with that. There could also be a theme of trust. Since Deku is a villain, Todoroki has to decide whether to trust him or not. And if he does trust him, it could lead to all sorts of complications in the story.
One common theme is growth. Both characters often grow as individuals and in their relationship. For example, they might learn to overcome their insecurities or past rivalries. Another theme is the power of friendship evolving into love. They start as classmates or rivals, and then their bond deepens into something more romantic.
One interesting texting story could be when a person accidentally texted the wrong number but ended up making a great new friend. They started chatting about their day, shared some funny jokes, and over time, they even met in person.