Iishiro Shirogane is a cop who patrols the city of Saibou. He fights crime and will arrest any criminal on sight. Reimi Akagawa is a postwomen who delivers packages to people in the city of Saibou. One day, a robber tries to steal her wallet, but Iishiro saves her and arrests the man. Since they live in the same city, will they see each other again? This is a Human AU.