Nanotech: Confession

Jonas and Ingrid have grown old together. One day, Ingrid finally confesses what really turns her on. Jonas follows suit. While she wants to be dominated, Jonas would love his wife to be muscular and powerful. The pair go on a vacation together and explore the new angles of their desires.
This erotic fiction contains female muscle growth (FMG), bondage and domination. All characters are at least 18 years old.