Yuuki Oohara

Izumi Sakuragi is a new police sergeant with the Special Investigations Office, which was set up within the Metropolitan Police in November last year. The new investigation team uses DNA analysis and the latest in forensics science to investigate cold cases as well as cases suspected to involve missing persons.

When Shizuka Urumi reluctantly works as a high school teacher and aims to keep her distance, her students provoke her to get involved in their lives.

When fourteen-year-old Yo is hospitalized she gradually develops feelings for Yayoi who is a nurse tending her. However, Yayoi leaves the nursing profession in favour of prostitution. Yo is disappointed, but turns to the older woman after she is the subject of unrequited love from her mother's man. The two grow closer and Yo is about to find out what motivates Yayoi.