Seto Masumi

During World War II, a secret agent must seduce, then assassinate an official who works for the Japanese puppet government in Shanghai. Her mission becomes clouded when she finds herself falling in love with the man she is assigned to kill.

It tells the story of loss and rebirth of Hayao, a novelist who is drawn to a relationship with his ex-girlfriend Izumi, whom he reunites with after the death of his teacher.