Futsuma Shoujo Charlotte. A group of classmates try their luck at an abandoned factory on the outskirts of town. Mizuki Konoe joins them, but suddenly a real evil spirit appears in front of her. At that moment, Mizuki transforms into her nun form and destroys the evil spirits one by one. Yes, her true identity is Charlotte, an exorcist! The leader of the evil spirits that appeared was a demon. Although she looked cute, she was a senior demon named Melkis, who had terrifying abilities! 'I don't want to hold back anymore ♡ Let's have some fun ♡♡' Melkis controlled the minds of Mizuki's friends, and they attacked Charlotte.