Overview

My older sister was forced to quit her job after her consumer finance company contacted her. The cause was a large amount of debt owed by her younger brother, who lives with her. However, in order to pay off the debts her brother has incurred, the older sister works like a robot at a convenience store. Her mind gradually wears down from the never-ending debt and fatigue, and when everything becomes insignificant, her sister has become a convenience store woman who is convenient for men to have sex with anyone, anywhere...