Mother's Duty

Your wife Saki can no longer take your massive cock inside her for penetration. She desperately asks her widowed mother Reiko to let you fuck her once with a condom to save the marriage. Reiko reluctantly agrees to this one-time act. Saki believes it will only happen once. However, once Reiko feels your size and her own suppressed desires awaken, she slowly becomes addicted and starts breaking every rule, all of it happening in secret from Saki.