Mitama Kamishiro is an athletic junior high school girl with a strong sense of justice who has dreamed of becoming a crime avenger since she was little. A mysterious shopping district, "Yaoyorozu Shopping District," suddenly appears in front of the silly yet righteous Mitama, who "wants to save humanity from its inevitable downfall." When Mitama goes to the shopping district that seems to be calling out to her, she is faced with...