It could change the power dynamics. Without her memory, Ladybug might not be as effective in using her powers or leading the fight against Hawk Moth. This could lead to a shift in the balance of power in Paris.
Maybe Hawk Moth would take advantage of her lost memory. He could try to deceive her into thinking he was a friend or an ally, and then manipulate her into giving up her Miraculous. This would add a lot of drama and conflict to the story.
The fanfic could bring a new side to the relationship between Marinette and Adrien. They would have to deal with this big change together. Adrien as Chat Noir might become more of a guardian figure, not just to Ladybug but also to their unborn child in a sense. And this could lead to new plot twists in the fight against Hawk Moth.
Master Fu would be a key figure. He could use his knowledge of the Miraculous and magic to try and restore Ladybug's memory. He might need to perform some kind of ritual or use a special potion. Meanwhile, Chat Noir would have to keep Ladybug safe from any villains who might take advantage of her vulnerable state.
It can have a significant impact. Some fans might be drawn to it because it shows a different side of the characters. It could also spark debates within the fandom about whether such a storyline is appropriate or in - line with the overall feel of the show.
It could be a story where Ladybug and Cat Noir face a new and challenging villain with unexpected twists.
Well, in a Naruto changes the past fanfiction, it might change the power balance. Naruto could use his future knowledge to make Konoha stronger earlier. He could teach new jutsus to the younger generation sooner or even prevent some of the big battles from happening. This would lead to a very different ninja world where perhaps there would be more peace and less conflict among the villages.
The storyline could progress with Cat Noir initially being excited about having both Miraculouses. He might try to show off his newfound power, but quickly realizes that it's not as easy as he thought to handle both at once.
Well, generally, you should look for the right community or site related to Miraculous Ladybug. Some popular fanfiction platforms could be a good start. Once you're there, there will likely be a section for submissions. You might have to format your fanfiction in a particular way. For example, use a standard font and proper paragraphing. Also, be aware of any copyright rules. You can't use copyrighted material without permission. And don't forget to give your fanfiction an interesting title that will catch the attention of the reviewers or other fans.
It could be portrayed as having more powerful abilities. For example, instead of just creating sentimonsters, it can also control the elements for a short time when a sentimonster is created. So if a sentimonster is made to look like a bird, it can also make the area around it windy like the bird is flying fast.
One idea could be that Ladybug loses her memory during a battle with a new villain who has the power to erase short - term memories. Chat Noir has to protect her while also trying to find a way to restore her memories. Maybe he takes her to Master Fu, who has some ancient techniques that might work.