In the fanfiction world, Lady Wifi could also have a sort of redemption arc where she realizes the error of her ways and in the process, falls in love with Chat Noir. Chat Noir, being the flirty hero he is, could initially be intrigued by her new - found good side and over time, real feelings develop between them.
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.
A plot idea could involve Lady Wifi getting de - akumatized and then trying to make amends by using her tech skills to help Ladybug and Chat Noir against future villains. She could create some sort of device that gives them an edge in combat.
She can be developed by giving her a backstory. Maybe she had a difficult childhood that made her so self - centered. This would make readers understand her actions better. For instance, if she was bullied as a child and now uses her popularity as a shield.
One idea could be Scarlet Lady actually learning to be a better hero over time. Maybe she starts to see the error of her ways and tries to make amends with Ladybug and Chat Noir. For example, she could start training harder to improve her skills instead of relying on her looks all the time.
You can try platforms like Archive of Our Own (AO3). It has a large and active community of fanfiction writers and readers, and it's very likely to have a section for Miraculous Ladybug fanfiction submissions. Another option could be FanFiction.net, which is also a well - known platform for various fanfictions.
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.