Yes, there are quite a few. You can start by looking on fanfiction.net or Archive of Our Own. Just search for 'legacies male oc x hope' and you'll find a variety of stories with different plotlines and writing styles.
One common theme is the struggle between their different natures. For instance, if the male OC has a very different magical ability or background compared to Hope, they might face challenges in their relationship because of that. Also, themes of loyalty and betrayal can come up. If there are other characters trying to drive a wedge between them, it can test their loyalty to each other. And of course, the theme of growing up and dealing with the responsibilities that come with their powers is also quite prevalent in these fanfictions.
One possible fanfiction could involve the Male OC being a new supernatural being in town. He catches Hope's attention with his unique powers. Their relationship could start as a rivalry as they compete in using their powers for different purposes, like protecting the town or solving supernatural mysteries. As time goes on, they realize they have more in common than they thought and a romantic relationship begins to develop.
The relationship in this fanfiction could be full of drama. Maybe the Male OC has a secret that could endanger Hope and her family. This creates tension as Hope tries to figure out whether to trust him or not. However, his charm and good intentions keep her coming back to him. Eventually, they work through the secret together and their bond becomes stronger.
One great 'legacies male oc fanfiction' story could be one where the male OC is a powerful witch who has to navigate the complex politics at the Salvatore School. He might form unique friendships and rivalries with the existing characters, adding new dynamics to the story.
One possible fanfiction could be that Hope discovers she's pregnant unexpectedly. She's initially scared as she and Landon are still young and facing many challenges in the supernatural world. Landon, on the other hand, is overjoyed and promises to be there for her no matter what. They then start preparing for the baby's arrival, all while dealing with the threats from the various dark forces in Legacies.
You can start by looking on fanfiction.net. It has a large collection of Legacies fanfictions, and you can easily search for 'Josie Saltzman x OC' within the site. Another good place is Archive of Our Own (AO3). It has a well - organized tagging system, so you can find relevant stories quickly. There are also some smaller fanfiction communities dedicated to Legacies where you might find some unique 'Josie Saltzman x OC' stories.
One great story could be where the OC has a unique magical ability that complements Josie's. For example, if the OC can manipulate time and they use this power to help Josie solve a mystery at the Salvatore School. Another could be a story where the OC is from a different magical realm and brings a fresh perspective to Josie's life, introducing her to new spells and cultures. There are also stories where the relationship between them starts as a rivalry but gradually turns into a deep friendship and then love, which are really engaging.
One popular trope is the 'enemies to lovers' scenario. Given their complex relationship in the show, it's often explored in fanfiction where they start off at odds but gradually fall in love. For example, they might be on opposite sides in a battle at first and then realize their feelings for each other.
One popular plotline is the OC being a new student or outsider who catches Hope's attention. This could lead to a series of adventures as they get to know each other. Another is the OC having a special power or ability that Hope needs for some mission or to solve a problem.