After her husband was laid off, Minako had to work as a housekeeper to make ends meet. Shortly after giving birth, Minako worked hard while supporting her breasts, which had become heavy with accumulated breast milk. One day, while cleaning the study, she soiled the landlord's important documents with breast milk. The landlord's son, Ken, witnessed this and threatened Minako to take his place as his mother, sucking her freshly squeezed breast milk. From then on, every day, she was forced to do obscene housekeeping work while having her breast milk squeezed out...