Tamari who got married at work and became a full-time housewife. Currently, the husband is on a long-term business trip and lives with his daughter and his wife. However, life without a husband is still lonely ... At that time, I happened to know that my son-in-law, Ichiro, was a tremendous big dick. Tamari, who was fascinated by his big dick, continues to invite obscenely day and night, saying "I am instead of my daughter ...". Ichiro, who couldn't stand the bewitching foolery of his mother-in-law and crossed the line, became a captive of pleasure as it was.