Izawa is a former immunologist who is the manager of a building in a residential area. His research has stalled since his wife left him, and he continues to suffer from hallucinations of air raid sirens and bombers. One day, he meets a strange woman who sniffs around her. Her face looked exactly like his wife, Shigure...

"A mysterious woman who resembles his late wife. Unable to suppress his feelings for her, the man seeks her and overlaps her body."