I'm not sure specifically as there could be many 'besties graphic novels' out there. It might be about the adventures, relationships, or shared experiences of a group of best friends in a graphic novel format.
If Adrien and Marinette were akumatized, their relationship would become very strained. As akumatized individuals, they would be full of negative emotions which could cloud their judgment. Adrien, who usually has a soft spot for Marinette, might not recognize her in his akumatized state and could even attack her. Marinette, too, would be in a different mental state and might see Adrien as an enemy, forgetting their previous friendship and any budding romantic feelings.
I'm not sure specifically, but usually in a high school story about besties, there would be a group of students. Maybe there is a really outgoing girl who is always the center of attention in the group.
In a fanfiction of this kind, the akumatized reader could be a huge fan of Ladybug, but after being rejected one too many times when trying to offer help or get an autograph, they get akumatized. Their akumatized form might have powers related to disappointment, like creating illusions of the worst - case scenarios for Ladybug and Chat Noir, making their battles more difficult. To defeat this akumatized reader, Ladybug and Chat Noir would need to show the reader that they do value their support.
Maybe there are some school dances. It's a common and interesting event in high school stories where the besties can have a great time, dress up and meet new people.
To read a BFF comic, first make sure you have a stable internet connection. Then, search for it on popular comic platforms. Some might require you to create an account or subscribe to access the full content. Once you find it, simply click on the comic to start reading and enjoy the story!
She might have a dark, twisted version of her usual pink and black color scheme. Maybe her pigtails would be wild and spiky, like they're full of dark energy. Her dress could be torn and tattered, with a more menacing style, and her eyes might glow a deep red color.