Perhaps a fanfic where Legoshi and the OC are both part of a school project together. The OC has a very different approach to the project than Legoshi, which at first causes some friction. But as they work through their differences, they start to develop feelings for each other. It could explore how they learn from each other and grow both individually and as a couple.
One idea could be a story where Legoshi and the OC meet in an unexpected place, like a hidden part of the school. The OC could be a new student who is a bit of an outcast, and Legoshi is drawn to their unique personality. They start to bond over their shared love for a particular type of music or art.
You can start by looking on fanfiction.net. It has a large collection of fanfics from various fandoms, and there's a good chance you'll find some legoshi x oc fanfics there. Just use the search bar and type in the relevant keywords.
One idea could be a story where the OC is a traveler who meets Obara in a strange land. They start off as strangers but gradually form a deep bond as they face various challenges together, like surviving in a harsh wilderness or solving the mystery of an ancient ruin.
One idea could be an OC who is a foreign ninja from a far - off land coming to Konoha. Their unique fighting style and culture shock could create interesting storylines. For example, they might introduce new jutsu techniques that the Konoha ninjas have never seen before.
One idea could be a story where Gai and the OC meet during a difficult mission. The OC is initially skeptical of Gai's flamboyant style but gradually comes to respect his skills and positive attitude. They then form an unlikely partnership and face various challenges together, growing closer as they overcome each other's weaknesses.
The OC could be an artist who is inspired by Yugi's dueling style. They meet at a local art exhibition where the OC has some paintings related to dueling. Yugi is intrigued and they start talking. As time goes on, the OC becomes more involved in Yugi's dueling life, helping him design new cards and their relationship blossoms in this unique way.
One idea could be that the OC is a new vampire in town. Rebekah takes an interest in them because they seem different from the other vampires she's known. They could go on adventures together, facing other supernatural threats while also exploring their growing relationship.
Well, an interesting Ramsay Bolton x OC fanfic could involve an OC who is a strong - willed female warrior. She crosses paths with Ramsay during a battle. Ramsay is intrigued by her fearlessness. As the story progresses, the OC has to constantly outwit Ramsay to survive in his cruel world. It could show how she tries to escape his clutches while also dealing with her own complex feelings towards him, as he has moments where he shows a different side of himself. It could be a story of survival, power play, and unexpected emotions.
One idea could be a story where the OC is a new student at Tsuna's school. They initially clash due to misunderstandings, but as they get to know each other, they start to develop feelings. For example, the OC could be very outspoken and Tsuna is shy at first, but her boldness helps him come out of his shell.
Well, you could have a plot where the OC is a healer - type with a quirk that can cure any injury or illness. However, there's a catch - using the quirk drains the OC's own life force. The BNHA characters initially doubt the OC's abilities because they seem too good to be true. As the story progresses, the OC proves their worth during a major battle where many heroes are injured. They have to decide how much of their own life they are willing to sacrifice to save others, and this creates a deep emotional and moral dilemma.
One idea could be a story where the OC is a new recruit in the same organization as Olovia Pope. They start off as rivals, constantly competing for the same tasks and recognition. But as they are forced to work together on a crucial mission, they gradually discover each other's hidden depths and start to develop feelings. For example, the OC might have a unique skill that Olovia initially underestimates, but it ends up saving them both during the mission.