First, consider the role the OC will play. If it's a partner for Genos, think about their combat abilities. For example, if Genos is mainly a physical fighter, the OC could be a support with long - range attacks or healing powers.
When she woke up, the cool morning breeze blew on her face, making her shiver. The clothes on her body also became warmer because she knew that today would be a beautiful day.
How about Alucard from Hellsing? He is an extremely powerful immortal. In a crossover with Genos, Alucard's centuries - old experiences and his complex relationship with humanity could play off well against Genos' more recent creation as a cyborg. They might start off as adversaries, but then find common ground in their fight against a greater evil. Genos could learn a lot about the nature of immortality from Alucard, who has seen so much over the years.
I can recommend a few novels about breaking up and getting married. Among them," Reboot 2009 " told the story of the male and female protagonists returning to the past after breaking up and finally getting back together. " If You Don't Break Up Well, Marry " was an urban romance novel that told the story of the main characters, Su Ge and An Luli, after they broke up. In addition," A Passerby in a Hurry " was also a novel about love after marriage. It told the story of the male and female protagonists meeting again after breaking up. These novels all involved the plot of getting married again after breaking up.
To write a Genos crossover fanfiction, think about the differences and similarities between Genos' world and the other universe. For example, if it's a crossover with a magical world, how will Genos' technology interact with magic? Develop your characters well, not just Genos but also the characters from the other universe. Make sure their interactions are believable. You can also add some humor or drama to make the story more engaging. Maybe Genos tries to learn magic but keeps failing in a comical way. This can add a light - hearted touch to the story.