Opening the Door to an Unseen World: A Wife-Sharing Couple's Training Record — Momoko IsshikiJUL-221

Several years into our marriage, the stress of work had made our intimate life a constant failure. At the same time, I found myself visiting cuckold forums more and more often. My desires grew stronger, and I even started browsing those sites at the office—until my subordinate, Mukaisaka, caught me. Mukaisaka knew my wife from years ago. Driven by jealousy and curiosity, I asked him, "Why don't you sleep with my wife?" He agreed without hesitation. And from the day I invited him into our home, the masochistic nature of our marriage was laid bare...