At the Kido Detective Agency, intimate bonds form between Kido and his assistants, Nozomi and Mei. However, the atmosphere turns dark as Kido investigates the disappearance of the wealthy Lady Ayano. After extracting information through coercive means from a chairwoman, Kido discovers a corpse at a mysterious mansion, plunging the group into a dangerous and erotic mystery.
After Kido arrives wounded but victorious over the greedy Imada, he and Nozomi share a deep, intimate bond. Amidst mysterious auditory echoes of the unconscious Lady Ayano, the group employs a provocative method to stir her consciousness and bring her back to the waking world. With Lady Ayano finally awakened, the Kido Detective Agency is established to navigate the mysteries ahead.