Juri got married at her workplace and became a full-time housewife. Currently, her husband is on a long business trip, so she's living with her daughter and son-in-law. However, life without her husband is still lonely... At that moment, she accidentally finds out that her son-in-law Ichiro has an incredibly huge dick. Enchanted by his massive dick, Juri starts making lewd advances day and night: 'Let me do it in place of my daughter...' Unable to resist his mother-in-law's seductive behavior, Ichiro crosses the line. From then on, he becomes a slave to pleasure...
