The members of the Tsuge Office are called to assist a One-Man Orchestra developer, Terero Terumin, complete his work on a new invention. The Counterfeit Rainbow he is creating will play a Commandia on its own, without a Dantist. However, Terero is killed in an accident and his spirit helper, Krista, disappears. The situation becomes more complicated as the growing anti-spirit movement begins to stir up fear and animosity in the town.