FIND: Undercover Agent Sayaka N

Detective Kiyoka Kinoshita, who was forced out of the prefectural police's investigative division after a suspect committed suicide while in custody, finds herself without a place in her own family. Her new assignment is the "National Police Agency's Special Investigation Regional Undercover Unit," a newly established department comprised of outcasts from the organization. Their first case involves a series of child disappearances in a village in Tochigi Prefecture. Sayaka and her team begin their undercover investigation into the village to uncover the truth behind the case! (Source: Kadokawa, translated)