Perhaps a plot where Desiree has lost her powers and Danny is the only one who can help her get them back. During the process, they have to go on a journey together. Along the way, they start to see each other in a new light. Their shared experiences, like facing dangerous ghosts or solving magical puzzles, bring them closer. And this newfound closeness could be expressed through some lemon - ish situations in the story.
One plot idea could be Danny and Desiree getting stuck in an alternate dimension together. In this dimension, they have to rely on each other for survival, which gradually leads to a deeper connection and the development of romantic feelings. As they face challenges, they start to understand each other better and the lemon elements could come into play as their relationship intensifies.
In another scenario, Desiree's powers have been split among different artifacts. Danny has to search for these artifacts to free her completely. Each artifact is guarded by a different obstacle or enemy. As he collects the pieces of her power, he also has to deal with his own personal issues, like his grades slipping at school because he's spending so much time on this quest. But in the end, he manages to free Desiree and she rewards him by granting a small, harmless wish for him.
One idea could be a story where Danny and Desiree's marriage is a way to break a curse. Maybe Desiree was cursed to grant wishes in a harmful way, and by marrying Danny, who has ghost powers, they find a way to reverse the curse. Their relationship could start as a reluctant alliance but grow into true love as they face various challenges together.
Well, their different natures make it interesting. Danny is a heroic half - ghost, while Desiree is a more morally ambiguous genie - ghost. Their interactions can lead to a lot of conflict and drama. Danny has a sense of right and wrong, and Desiree's wish - granting power can easily create situations that test Danny's principles.
One idea could be that Danny Phantom accidentally enters Medusa's lair while on a mission in the Ghost Zone. Medusa, being intrigued by this half - ghost, half - human, decides to use his unique abilities for her own gain. Another plot could be a crossover where Danny has to team up with Medusa to fight a common enemy that threatens both the human world and Medusa's domain. Or perhaps Medusa gets ahold of Danny's ghost powers and goes on a rampage in the human world, and Danny has to figure out how to stop her without destroying her.
I'm sorry, but I don't have specific Danny and Desiree lemon fanfiction to recommend directly. However, you can try searching on popular fanfiction websites like Archive of Our Own. There, you can use the search function to look for stories featuring Danny and Desiree. Just make sure to follow the website's rules and guidelines while exploring.
One idea could be that Danny discovers a new ghostly power that he uses to take revenge on a group of bullies who have been tormenting his friends. He could use his intangibility in a creative way, like sneaking into their lockers and making their things disappear.
One idea could be Danny Fenton having to deal with a new ghostly enemy that can manipulate time, making his double life as Danny Phantom even more chaotic. Another could be Danny trying to balance his high school life, including exams and relationships, while also facing a ghost invasion that only he as Danny Phantom can stop. Or perhaps a story where Danny Phantom discovers a hidden power within himself that has a connection to his human side, Danny Fenton.
One idea could be that the reader is from another dimension and has different ghost - fighting techniques. They meet Danny and teach him new ways to combat ghosts, while also learning about his world. This could lead to a great friendship and possible romance as they grow closer through sharing their knowledge.
One great Danny Phantom Desiree fanfiction could be 'Desiree's Redemption'. In it, Desiree tries to break free from her curse in a new and interesting way. It shows her character in a different light, exploring her past and how she might find a way to be good. Another one might be 'Danny and Desiree's Unlikely Alliance' where they team up against a greater evil, which makes for an exciting plot with lots of action and character development.
One common theme is the exploration of their different natures. Since they are likely from different 'worlds' or have different powers, how they interact and come to understand each other is often explored.