The husband, who had accumulated a large debt, disappeared in front of his wife and son. To support their living, Hisae started working at a used panty shop, pretending to be a student, which was a job close to fraud. To support their life and to come up with the cost of Takefumi's school trip, Hisae decided to take on 10 times the usual amount of work. However, what she didn't know yet was the harshness of the task of staining 10 times the amount of panties. How will Hisae's life change as she faces this reality in her harsh daily life?