Ladybug in Diapers

Marinette Dupain-Cheng was, by all accounts, a normal girl with a normal life, with the exception of one thing. Because of a condition from birth, she was completely incontinent, and therefore, needed to wear diapers. This naturally caused a lot of teasing from her classmates, especially one Chloe Bourgeois, who constantly called her babyish nicknames to mock her. From the first day of the new school year, it seemed like things would be the same, but then a new classmate named Alya stood up for her and tried to reassure her needing diapers didn't make her any less of a person.

The other way that her life changed was as a result of her finding a box with a pair of earrings in her room, releasing a magical creature who said she could become a superhero who could stop the giant stone golem rampaging across the city. Before she could really ask anything else, she accidentally changed into a magical superhero suit that did absolutely nothing to hide her diaper. In fact, it looked more like she was wearing a ladybug-patterned onesie.

Having no other choice, she decided to go out and try to stop the villain.