My husband doesn't know - my lewd desires and secrets

The Hoshina couple start running with their husband's business partner, Kayama, to resolve their lack of exercise. The widow Kayama is feeling aroused by the innocent appearance of Ai quickly getting closer to each other's closeness, and it's been a while since she's been so lewd... Her body, which was completely unloved by her husband, attempts to resist but is swallowed up by waves of pleasure. The two cross the line and continue to run wild. I was sweating so much joy every time I met him...