Akira is a 30-year-old salaryman married to novelist Sonoko. After five years of marriage things between them have cooled and now they barely speak. One evening Akira is suddenly struck with an unbearable headache and, after being taken to the hospital, is told his illness is life-threatening. At the same time, a strange change starts to take over Akira’s body. The Akira who walks out of the operating theater has transformed into a woman!.