Perhaps an outside force, like an alien entity, could invade the hero school. This entity could be attracted by the powerful Miraculous energy. It would be a very different kind of villain as it has no concept of the human values that the heroes at the school uphold, and it would take all of their combined skills to defeat it.
One idea could be a new student arriving at the hero school who has a mysterious power that even the Miraculous Ladybug and Chat Noir don't understand at first. This could lead to a series of adventures as they try to figure out the power and whether it's a threat or an ally.
In an akumatized Ladybug fanfiction, the akuma might enhance her powers in unexpected ways. For example, her Lucky Charm could become a more powerful and unpredictable object. Her akumatized form might also have a darker and more menacing look, perhaps with a more aggressive fighting style. Writers could explore how the heroes and villains interact with this changed Ladybug.
The fanfiction could center around a new student who is secretly a villain in disguise. They try to disrupt the school play which is about the Miraculous Ladybug and Chat Noir's adventures. Ladybug and Chat Noir have to figure out who the new student really is and stop their evil plan before the play is ruined.
Well, in a Miraculous Ladybug school trip fanfiction, there could be a lot of exciting things. Maybe Ladybug and Chat Noir have to protect their classmates from an akumatized villain during the trip. For example, the villain could target the school bus or the destination they are visiting.
Well, Ladybug and Chat Noir could show up at the school dance in their civilian forms. Maybe Adrien and Marinette would be too shy to ask each other to dance at first. But then, some akuma - related chaos could start near the school, and they'd have to find a way to transform and save the day without revealing their identities to their classmates.
In this 'Miraculous Ladybug Criminal Ladybug Fanfiction', there could be a lot of potential storylines. One possibility is that an external force is influencing Ladybug to commit crimes. It could be a new villain who has found a way to manipulate the Miraculous. This would create a great conflict as Ladybug has always been the symbol of good. Her friends and allies would be in shock and would have to find a way to stop her without hurting her. The story could also explore her internal struggle, as she might be aware of what she's doing but unable to stop herself.
A new villain could have a weapon that specifically targets Ladybug's powers. When she tries to use her yo - yo or her powers of creation, it backfires and causes her harm. This would force her to rely on her wits and Chat Noir more than ever. They would need to find a way to neutralize the weapon and heal Ladybug.
In a fanfiction, Ladybug could get hurt as a result of a trap set by Hawkmoth. He might have studied her fighting patterns and set up a situation where she is lured into a place full of obstacles that cause her physical harm. This would not only test her physical strength but also her mental resilience as she tries to figure out how to escape and continue her fight against evil.