A poor family of a father and two daughters, his older sister got a job in the city to help with the family budget, but his father collapsed in the countryside. Needing her money, her older sister is forced to borrow money and work in a shady place, and although she resists, she is forced into prostitution. The sister, who came to Tokyo worried about her sister, was also raped by herself to help her sister. However, there is no way she can escape, and even though she is caught and turned around by men, her body reacts at some point.
