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.

A love story between an office workaholic and the director of their company.

A mysterious disease spreads around the world. If people get the disease, cherry blossoms will bloom on their body and they will die. The cause or possible vaccine for the disease does not exist. People begin to accept the disease as part of their daily lives.