A fanfiction could revolve around Myrcella being a key figure in helping Jon Snow claim his rightful place in the Seven Kingdoms. Since she has been exposed to the politics of King's Landing, she could use her knowledge and influence to support Jon, who has his own claim through his Targaryen heritage. Their story could be about uniting different factions and bringing a new era of peace to Westeros.
Perhaps Myrcella is sent to the Wall as part of a political maneuver. There she meets Jon Snow. At first, they are at odds, but as they get to know each other, they find common ground. They learn of a conspiracy that threatens both the North and the South of Westeros. Together, they embark on a journey to expose the conspiracy and save the kingdoms. This would involve them facing many obstacles, including distrust from their own people and powerful enemies who want to keep the conspiracy hidden.
One idea could be a story where Robert Baratheon discovers Jon Snow's true parentage earlier. This could lead to a complex relationship where he sees Jon as a potential heir or a powerful ally. He might take Jon under his wing, train him in the ways of leadership and warfare, much like he did with Ned Stark's other children.
They might interact with a sense of mutual respect at first. Jon, knowing Myrcella's position as a princess, shows her due courtesy, while Myrcella is intrigued by Jon's different upbringing and his skills. They could exchange stories about their lives, like Jon telling Myrcella about the Wall and the wildlings, and Myrcella sharing tales of the Red Keep.
In some fanfiction, Jon Snow and Myrcella could form an alliance to bring peace between the North and the South. Myrcella, being a princess, has the influence in the South, and Jon has the loyalty of the North. They work together to end the feuds and power struggles, and along the way, they develop a deep friendship that might turn into something more romantic.
Character - wise, Myrcella in this kind of fanfiction may be objectified due to the sexual nature of the 'lemon' genre. Her storylines might deviate significantly from what was presented in the official 'Game of Thrones' narrative. Instead of focusing on her political significance or her family ties as in the original, it may center around sexual encounters or relationships, which is not in the spirit of the original work's more complex and multi - faceted storytelling.
A plot could be that Robert Baratheon, in his later years, starts to question the legitimacy of the current power structure. He meets Jon Snow, who has a mysterious allure about him. They start to exchange ideas about honor and leadership. Robert realizes that Jon has a different kind of wisdom, born from his experiences at the Wall. This leads to a journey together where they try to find a new way to rule the Seven Kingdoms that is more just and inclusive.
In a fan fiction, they might discover that they are related in a more complex way than they thought. Maybe they find out that there is a hidden prophecy that requires both of their bloodlines to come together to bring peace to Westeros. This could lead to a journey where they travel together, facing various challenges and gradually building a bond of friendship and respect.
They might interact with a father - daughter - like dynamic. Robert could be strict but also show moments of tenderness towards Myrcella. He may scold her when she makes mistakes but also praise her achievements.
Another plot might involve a journey that Robert and Myrcella embark on together. It could be a quest to find a long - lost relic or to seek the aid of a powerful ally. Along the way, they face various challenges that test their relationship and force them to rely on each other.
Well, an idea could be that the Night King turns Jon Snow into an ice - version of himself, but Jon retains his consciousness. He then has to struggle between his new ice - bound nature and his loyalty to the living. He tries to convince the Night King to stop the invasion from the inside, using his knowledge of both sides.