[Machine Translation] A cold-hearted detective gets an "assistant" at his request for the first time. Matsubase quits the police force and opens the detective agency of his dreams. However, he is framed and ends up with a large debt. The sergeant, Zhu Feng, offers his devilish help to Matsubase on the condition that he becomes his assistant. He says, "I'll buy you out for 10 million yen per case for the good quality lie I want. The story is set three years before Matsubase met XXX. Sachiiro no One-room Gaiden Comics, Volume 1! ALL comics are newly drawn!