One interesting plotline could be that once Cat Noir discovers Ladybug's identity, he realizes they are closer in their normal lives than they thought. For example, they might be classmates or neighbors. This new knowledge makes their superhero partnership even more special and complex.
In some fanfictions, when Cat Noir finds out Ladybug's identity, it might lead to a moment of confusion for him. He has to deal with his feelings for Ladybug in a whole new light, now that he knows who she really is. This could involve him trying to protect her identity even more fiercely, or struggling with how to interact with her in their civilian forms.
A great plotline could be that the discovery of Ladybug's identity by Cat Noir throws the whole superhero dynamic into chaos. Their enemies might somehow sense this change in their relationship. Cat Noir has to quickly figure out how to use this new - found knowledge to their advantage without putting Ladybug or their city in more danger. He might need to work on new strategies for fighting villains while also maintaining the secrecy of Ladybug's identity from the wrong people.
In some fanfictions, Cat Noir's reaction is more complex. He is excited to know but also realizes the great responsibility that comes with this knowledge. He becomes extremely protective of Ladybug's identity. He might start to distance himself a bit in order to not accidentally give away her secret. At the same time, he has to deal with his own feelings for her which are now even more intense since he knows who she really is.
One interesting Cat Noir and Ladybug lemon fanfiction might be the one where they have to work together to save Paris in a more romantic and tense situation. In this story, their feelings for each other are more openly explored as they face challenges. It gives a different perspective on their relationship compared to the original show.
One interesting plot could be the baby versions of Ladybug and Cat Noir getting into little adventures in Paris. They might accidentally use their powers in a cute and clumsy way, like baby Ladybug trying to swing her yo - yo and getting tangled up in it. Another plot could be them meeting their future selves in some sort of time - travel - like situation and not understanding who they are but still feeling a connection.
One idea could be a story where Ladybug and Cat Noir get trapped in an alternate dimension. They have to figure out how to work together in this strange new world to find a way back home. They might encounter new villains or versions of their friends that are very different.
One interesting scenario could be that after they kiss, they suddenly swap powers. It adds a new dynamic to their relationship and how they fight villains. Another could be a kiss that occurs during a time - traveling adventure, where they kiss to seal a deal with a powerful magical being to save the world.
One interesting fanfiction could be where they kiss during a moment of great danger, when they think it might be their last chance to express their hidden feelings. It adds a lot of drama and intensity to the story.
Well, a great plot for Miraculous Ladybug and Cat Noir fanfiction could be an alternate universe where they are not superheroes but normal students. However, they start to notice strange things happening around them that seem related to the Miraculous. They then have to find a way to regain their powers or discover new ones to save the day. Also, a story where they get trapped in a villain's illusion world and have to fight their inner demons while trying to break free. Or perhaps a fanfiction where they have to deal with a new villain who can copy their powers and they have to find a way to outwit this new threat.
One interesting scenario could be Ladybug and Cat Noir getting caught in a magical time loop where every time they kiss, the day resets. So they have to figure out how to break the loop without causing chaos in Paris. Another could be that they kiss during a battle which suddenly gives them a super - powered boost that allows them to defeat the villain easily.
One idea could be a time - travel plot. For example, Ladybug and Cat Noir are sent back in time to the origin of the Miraculouses. They have to figure out how to get back while also ensuring the Miraculouses are created and end up in the right hands. This would involve interacting with the past holders and solving ancient mysteries related to the powers.
One idea could be that Cat Noir and Ladybug get transported to an alternate Paris where the roles of heroes and villains are reversed. They have to figure out how to adapt and set things right. Another could be a time - travel plot where they go back in time to prevent Hawkmoth from ever getting his hands on the Miraculous in the first place. And a third idea is that there is a new villain who can manipulate emotions, and Cat Noir and Ladybug have to not only fight the physical battles but also the emotional turmoil this villain causes among the citizens.