Lustful housewife Yuko Shiraki in a remote countryside

Shiraki is a town in the middle of a remote wilderness, far away from the bustling society out there. A guy was sent to research the area to prepare for a big project here. He met a local couple who seemed friendly. And the wife Yuko is a woman who is bored because of too much free time. Then this city guy came to enlighten Yuko Shiraki, she must be a lustful market lady.