One common theme is the clash of different cultures. Naruto comes from a world of ninjas with its own set of values and traditions, while Calypso is from a more myth - based world. So, the fanfics often explore how these two different cultures interact.
The main characters would obviously be Naruto and Calypso. Naruto, a ninja from the Hidden Leaf Village, with his orange jumpsuit and his dream of becoming Hokage. Calypso, a figure from Greek mythology, often associated with her island and her power over those who land there. In the fanfic, they would be the central focus, their interactions, their growth together, and how they deal with the challenges that come their way.
In some fanfictions, their interactions are filled with a bit of tension. Calypso, having been alone for so long, may be hesitant to fully trust Percy at first. But as he continues to visit her and bring her lemons, she slowly warms up. They start to share stories, with Percy telling her about his adventures at Camp Half - Blood and Calypso sharing her knowledge of the island's secrets. Their relationship builds over time, and the lemons can be seen as a symbol of their growing bond.
Their relationship could develop through shared experiences. For example, they might go on a quest together to find a lost relic. During this quest, they learn more about each other's strengths and weaknesses and grow closer.
One character that would be really good to include is Circe. She has her own island and magic, and her interaction with Calypso could be fascinating. She might be jealous of Calypso's new relationship or try to use it to her advantage. Poseidon could also be included. As Percy's father, he might have an opinion on Percy's connection with Calypso. And finally, Thalia. She could be the voice of reason for Percy, helping him figure out his feelings and what to do about his relationship with Calypso.
Their relationship would likely become more centered around the baby. They would have to work together as a team to take care of it. There would be less time for just the two of them, but in a way, it would bring them closer as they share this new responsibility.
A great 'naruto and calypso fanfic' might be the one where they team up against a common enemy. Picture Naruto's combat skills combined with Calypso's mysterious powers. They could be facing a threat that endangers both their worlds, and their alliance is the key to victory. It's full of action and interesting character interactions.
A plot could be where Calypso is somehow drawn into Naruto's world. Maybe a powerful jutsu gone wrong creates a portal. Calypso, being a powerful figure, is initially confused but quickly adapts. She and Naruto meet and at first are at odds as they misunderstand each other's motives. But as they get to know one another, they realize they can help each other. Calypso could use her magic to assist Naruto in a difficult battle against a new and dangerous enemy in the ninja world, and Naruto could offer his protection and loyalty to Calypso in return.
Calypso Rosier often plays a unique role in Harry Potter fanfiction. She can be a catalyst for change in the story. For example, if the fanfiction is set during the time of the original series, she might introduce new ideas to the students at Hogwarts that make them question the status quo.
Well, it's very likely that there is a 'Harry Potter is the son of Calypso' fanfiction out there. Fanfiction allows for all kinds of wild crossovers and reimaginings of characters. Some writers might be inspired by the magic in both the Harry Potter universe and the Greek mythology that Calypso comes from. They could combine the two in an interesting way to create a story where Harry Potter is Calypso's son. But it might take some time to actually find it as there are thousands of fanfictions out there.