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

"I'm sorry. I'm suddenly feeling sick..." One Saturday, Mimi said to me in front of my husband and son who were heading to the amusement park. And while worrying about Mimi, her husband and son go to the amusement park... A few minutes later, Saburo, a young sex friend whom he met while working part-time, comes to his house. The two usually met while keeping their family looking, but today they decided to do "unlimited fucking" at Mimi's home until their family returns...