Yenra Ursula Callistis, Little Witch Academia Ursula Callistis in Purple Witch Costume: The image features Ursula Callistis from Little Witch Academia standing in front of a bookshelf, wearing a purple witch costume that includes a long-sleeved dress and a pointed hat adorned with a white crescent moon. The woman's hair is styled in a short bob cut and dyed blue. She appears to be posing for the camera while holding her hat in place with one hand. In the background, there are bookshelves filled with books of various colors, adding to the overall atmosphere of a cozy and intimate setting.