One idea could be that the male OC is a foreign noble who arrives in Westeros with unique skills and knowledge. He catches the attention of various female characters through his chivalry and different way of thinking. For example, he might be an expert in some form of magic not known in Westeros, and this intrigues characters like Daenerys, who is also associated with magic. Another plot could involve him being a healer, and as he travels through the Seven Kingdoms, he helps the sick and wounded, which endears him to many women, including those in positions of power like Margaery Tyrell. They see his selfless nature and are drawn to him.
The male OC could be a scholar who is searching for ancient texts in Westeros. He visits the Citadel and begins to make a name for himself. His intelligence and thirst for knowledge attract the likes of Missandei, who is also highly educated. As he delves deeper into the secrets of the land, he stumbles upon prophecies that could change the fate of Westeros. This makes him a target for some, but also a hero in the eyes of certain female characters who believe in his cause. His journey through the different regions of Westeros, from the North to Dorne, allows him to meet and interact with a diverse range of female characters, building his harem.
Perhaps the male OC is a warrior from a far - off land. He enters the fighting pits in Meereen and his prowess catches the eye of Daenerys. Meanwhile, in King's Landing, Sansa Stark hears tales of his heroics and becomes interested. His code of honor is different from the cut - throat politics of Westeros, and this makes him an enigma to the women. He could also have a group of loyal followers who are also from his homeland, and their unique culture further adds to the allure for the female characters in the story.
One idea could be an original character who is a bastard from a minor noble house in the North. They grow up with a unique skill, like being an expert tracker. They could get involved in the events related to the White Walkers early on, perhaps by accidentally stumbling upon one of their lairs. Their journey could then be about warning the other houses and trying to find a way to stop the threat before it reaches the major kingdoms.
One plot idea could be an OC who is pregnant and trying to hide it from powerful enemies in King's Landing. She has to navigate the dangerous political intrigue while protecting her unborn child.
One idea could be an OC who is pregnant and is trying to hide it from the warring factions in King's Landing. She might be a servant in the Red Keep and is afraid of what will happen if her pregnancy is discovered, as she doesn't know who the father is among the many lords and knights who frequent the castle.
One idea could be an OC Baratheon who is a long - lost cousin. This OC could come to King's Landing with a claim to the throne, causing political unrest among the existing Baratheon claimants. He or she might have unique skills, like being an expert in naval warfare, which was important for the Baratheons. Another plot could involve an OC Baratheon woman who disguises herself as a man to fight in the wars, and along the way, she discovers secrets about her family's past that could change the course of the Baratheon legacy in Westeros.
Perhaps the OC Dragonlord is a bastard of a Targaryen. They grow up in Essos, learning the ways of dragon - taming from an old sorcerer. When they hear of the chaos in Westeros, they decide to cross the Narrow Sea with their dragon, planning to claim a throne for themselves. Along the way, they form an unlikely alliance with a group of outcasts, who help them navigate the political intrigues of Westeros.
A plot idea could involve the Direwolf OC being an outcast among its own kind. It then forms an alliance with a group of outcasts in Westeros, like a band of thieves or a small, forgotten clan. They all work together to change their fates. Another interesting plot would be if the Direwolf has the ability to communicate with other animals. It uses this power to gather information for its human companion, and they use this knowledge to outwit their enemies in the game of thrones. You could also have a plot where the Direwolf OC is the last of its kind and it's on a mission to find a way to repopulate its species.
Well, an interesting plot for a God OC in Game of Thrones fanfiction could be that the God OC is the true heir to the Iron Throne. This God OC has been hidden away for centuries and now returns to claim what is rightfully theirs. They have powers that no one has ever seen before, like the ability to transform into any creature. This could lead to some really cool battle scenes where the God OC takes on the form of a dragon to fight against the other claimants to the throne. They could also use their powers to unite the different kingdoms under their rule, but not without facing a lot of resistance from the power - hungry lords and ladies of Westeros.
An interesting 'oc game of thrones fanfiction' could focus on an OC who is a female knight in a world dominated by male warriors. She could face discrimination but also prove herself in tournaments and battles. Maybe she becomes a trusted ally of a major character like Jon Snow. Or you could have an OC who is a bard that spreads tales which either inspire or deceive the people of Westeros. Also, an OC who is a foreign diplomat trying to broker peace deals between the warring factions while having their own hidden agenda would be a great concept.
Perhaps Jaune Arc has a special power that is unknown in the Game of Thrones world. This power draws the attention of various female characters. Some may see him as a means to gain power, while others are genuinely attracted to him. He could start a journey to uncover the secrets of his power while dealing with the complex relationships within his growing harem, which includes characters who might be rivals in the normal Game of Thrones setting but are united by their connection to Jaune.
One idea could be that your self - inserted character is a healer with a mysterious past. They end up in the middle of the war between the Starks and the Lannisters and start to form relationships with key characters from both sides, creating a harem of sorts. Another plot could be that your character is a time - traveler who tries to change the events of 'Game of Thrones' and in the process, attracts the attention of different characters who fall for them.