DLDSS-499 From 9 am to 6 pm, the regular hours when my husband leaves for work and comes home... I'm engaged in unprotected sex with my father-in-law to 'make grandplayren'. - Mami Zenba - Mami Zenba (Mami Mashiro)

To support her lonely father-in-law after the death of her mother-in-law, Mami and her husband move back in with her parents. Her husband is kind and considerate, above all serious, and meticulous and fastidious. She married him thinking that seriousness was the best thing... but their nightly intimacy is completely absent due to their routine life... One night, as she tries to satisfy the burning desires of her body herself, Mami's secret is discovered by her father-in-law... The next morning, after her husband has left for work, she...