K-9: Keishichou Kouanbu Kouan Dai-9-Ka Inou Taisaku Gakari

 The ability to manifest by committing sins, commonly known as "Sin." Amidst the rampant heinous crimes caused by "Sin," Ren Hizuki, a detective in the First Investigative Division of the Metropolitan Police Department, was living a life of fierce battles day and night. One day, Ren is ordered to transfer to the newly established special ability crime investigation unit, the "Public Safety Section 9." There, she meets a cowardly detective named Yujiro Oboro. As she heads to investigate ability-related cases with Oboro, the secrets of Section 9 and the true identity of Oboro begin to come to light──!?