Still loyal to the queen even after becoming a demon, Ciel and his loyal butler, Sebastian, find themselves in Japan under the queens request. Undercover as students, they have every intention of solving the case, but what problems will they meet along the way when they end up clashing with the school's Host Club? And will Ciel meet someone to make him smile?

A couple of years after graduating to full exorcists, the gang reunite with Yukio and Rin. What no one expected was how much Rin had changed, and not in a good way. After a mysterious mission 2 years ago, Rin becomes completely unaware and immune to emotions. With everyone's help, will Bon be able to fix this broken demon? RinXBon