Her husband is away, and married woman is indulged in sex with her sex friend at home

My husband left the house on a national holiday as there was a debate recital at the English conversation class my son attended. Then Miori rushes to take a shower and washes her crotch, and it's her sex friend Okazaki. After a long time, the two meet again, and greet each other with a passionate kiss, and soon they travel to the bed, they start to ask each other out at the entrance. From that moment onwards, a "unlimited time-limited FUCK" between men and women from aged 2018 began, exchanging their accumulated sexual desires...