While her parents were away, Asami was left in the care of relatives. The household was home to three brothers—Ichiro, Jiro, and Saburo—who had never married and had grown older in isolation. Having never experienced relationships with women or the chance to raise a child, the three men found their hearts deeply stirred by the pure, innocent presence of Asami. One after another, they lost control and took her, giving in to their pent-up loneliness and desire, which became increasingly exposed throughout the act.