聖まどか　美乳妻生本番 (1996)

Hideki is a freelance photographer. His wife Eiko is a beautiful woman who looks good in Japanese clothes. The person who arranged their marriage was Yumiko, a widow and secretary of Hideki's family who came from a prestigious family. In reality, Hideki is impossible. Yumiko knew this and secretly told her girlfriend Eiko to marry her. When Eiko learned of this fact, she tried to leave her house, but Yumiko stopped her, grabbed her, pushed her onto the sofa, intertwined their bodies with her, and caressed her relentlessly.