Walpurgisnacht, Puella Magi Madoka Magica

A person dressed in a costume inspired by Walpurgisnacht, a character from the popular anime series Puella Magi Madoka Magica. The individual is wearing a blue and white dress with ruffles at the hem, reminiscent of traditional German attire. They are also adorned with a pair of horns on their head, which are typically associated with Walpurgisnacht's character design. The overall impression conveyed by this image is one of playfulness and creativity, as if the person has taken inspiration from the anime series to create their own unique costume.