Once a bodyguard in Yokohama, Fukuzawa Yukichi unexpectedly finds himself looking after a brilliant yet eccentric boy, Edogawa Ranpo. Their fateful encounter takes a turn when an unexplained murder occurs at a theater during one of Fukuzawas assignments. As they navigate the mystery, the duos bond is forged, laying the foundation for what will become the renowned Detective Agency! A thrilling blend of mystery, crime-solving, and character-driven drama, this volume offers both the origins of Ranpo and Fukuzawa’s partnership and a glimpse into the daily life of the detective agency.