An OC who has a unique hobby like falconry. She brings her trained falcon into the family's life. The brothers, who have never encountered such a thing before, are both intrigued and a bit wary. This can lead to a series of events where they learn more about her and her hobby, and she in turn gets closer to each of them through their shared experiences.
One idea could be an OC who is a talented artist. She could use her art to bond with the brothers in different ways. For example, she might paint portraits of them, which could lead to some sweet and funny interactions as they react to how she's depicted them.
One idea could be that the OC is a new neighbor who moves in near the family. Natsume initially seems cold to her, but as time passes, he starts to notice her kind heart and unique hobbies. They bond over shared love for books and late - night stargazing.
Maybe an OC who is a sniper. The plot could revolve around their training, how they hone their skills, and the intense pressure they face during missions. They might have a personal vendetta against a particular enemy sniper, leading to a tense cat - and - mouse game throughout the story.
Maybe in the fanfiction, Hikaru and Ema are paired up for a school project. Hikaru is initially laid - back about it, but Ema's determination makes him more serious. Along the way, they have disagreements about how to approach the project, but gradually they learn to compromise and in the process, their feelings for each other begin to change.
One idea could be the new little sister starting a new hobby that all the brothers gradually get involved in, like painting. It could bring them closer and create some really sweet family moments.
Well, a plot could be about a special event, like a family vacation in the fanfic. During this vacation, the main character has some unexpected and heart - warming interactions with the brothers. Maybe there's a competition among the brothers to win the main character's attention in a friendly and humorous way. It could also show how they all grow and learn more about each other during this time.
Another possible plot twist is that the oc's pregnancy might be a threat to the family's harmony in a different way. For example, some of the brothers might have plans or dreams that are now put on hold because of the pregnancy, causing conflicts within the family that go beyond just jealousy or rivalry.
One great 'Brothers Conflict OC Sister' fanfiction is 'The New Sister in the Asahina Household'. It has an interesting plot where the OC sister brings a fresh dynamic to the family. The author does a wonderful job of portraying her character development as she navigates her new life with the brothers.
One idea could be a story where all the Smash characters are transported to a new, unknown world and have to work together to find their way back. They face new challenges and enemies specific to this world.
One idea could be exploring the backstories of the characters more deeply. Maybe a story about their childhood and how it shaped their relationship as brothers.
Perhaps an OC is a young archaeology student who idolizes Nathan Drake. They manage to get involved in one of his expeditions through sheer determination. Along the way, they learn from Drake and also teach him new things about modern archaeological research methods. It could be a story of growth and adventure for both characters.