Maybe the OC has a special mission and as they journey through Equestria, they meet various ponies who decide to join their 'harem'. The OC could be on a quest to find a long - lost magical artifact, and during this journey, they encounter ponies from different regions and backgrounds. These ponies see the OC's determination and leadership, and they are drawn to them, creating a harem - like group that helps the OC in their mission.
Another idea is that the OC has a magical accident that gives them an alluring aura. This attracts other ponies to them. Some ponies might be initially curious about the strange new presence in town, but as they get to know the OC better, they find themselves falling for their positive attitude and sense of humor. This could lead to a harem situation where the OC has a group of ponies who are all vying for their attention in different ways.
In 'My Little Pony Harem Fanfiction', an interesting idea could be the cultural exchange within the harem. Ponies from different parts of Equestria might have different traditions and values. When they form a harem, they get to share and learn from each other. This can lead to new ways of thinking and behaving for each pony, making the story rich and engaging.
You could create an Alicorn OC who was born without wings but has an incredibly strong horn magic. She is shunned by some of the other Alicorns at first. But through her determination and kindness, she proves that she is just as worthy. She might go on a journey to discover the origin of her unique situation and along the way make friends with all kinds of ponies.
Maybe a changeling OC who gets lost in Equestria during a mission and is found by one of the main ponies. The OC could initially be distrusted, but as the story progresses, they form an unlikely friendship. The OC could then start to learn about friendship and love from the ponies, which would change their view of the world and themselves. For example, they could start to see that there are better ways to get the energy they need than stealing love.
One idea could be a female OC who is a talented artist in Equestria but is too shy to show her work. She then meets one of the main ponies like Twilight Sparkle who encourages her to share her art with the world. Another could be a female OC from a different land who comes to Equestria to learn about friendship and has to overcome cultural differences.
A great story idea could be a genius OC pony who is an expert in ancient pony history. They discover long - lost spells or artifacts that were thought to be only legends. This OC could go on adventures to find these relics, facing challenges along the way. Their knowledge might be the key to solving a big problem in present - day Equestria, like an impending disaster that only an old - fashioned spell can prevent. Along the way, they might make new friends and enemies as they dig deeper into the secrets of the past.
A possible plot for this fanfiction could be that a character from another dimension enters the Equestria Girls' world. This character is on a quest and as she teams up with the girls, they all develop feelings for her. It could explore how they deal with these new emotions while still maintaining their individual identities and friendships. There could be challenges like jealousy and misunderstandings that they have to overcome together.
Well, a frequent theme is the building of relationships within the harem. The OC has to navigate through different personalities in the group. There can also be a theme of magic, as My Little Pony is known for its magical elements. The fanfiction may explore how the OC's magic or lack thereof affects their place in the harem. And of course, there's often a theme of acceptance, as the OC might be different from the regular ponies.
Well, an interesting plot could involve an OC who discovers she has a hidden talent for magic in the human world of Equestria Girls. She then has to hide this from her non - magical friends while also trying to figure out why she has this power. Maybe she teams up with the main characters to face a new threat that is using dark magic. She could also have a special connection to an item from Equestria that holds the key to defeating the threat.
Well, an OC who is a talented artist but is too shy to show their work could be a great plot. The ponies in Ponyville discover the OC's talent and encourage them to share it. Or an OC with a time - traveling ability. They accidentally mess up the timeline in Equestria and have to work with Twilight and her friends to fix it.
One interesting storyline could be about an OC pony who discovers a hidden magic within themselves and has to learn how to control it to save their friends. Another might be an OC from a different land coming to Equestria and having to adapt to the new culture while also bringing something unique to it. And there could also be a story where an OC pony has a dream of uniting all the different pony tribes through music or art.