When Aida Hararo, a member of the police, lost his memory and became homeless, he was taken in by an armed detective agency. He then embarked on a fantasy adventure with everyone in the detective agency. During the journey, he accidentally bumped into his former boss Akutagawa, and tricked Akutagawa into joining the detective agency, and then——
Nightingale and Rose
Pan's Labyrinthing……
Characters: All members of the detective agency plus supernumerary Akutagawa
Mission: Armed Detective Agency to save the world.