Miho Toono had been in a sexless marriage for a long time. One night, after an office drinking party, her husband came home completely drunk, escorted by his subordinate. While her husband lay unconscious, the young employee began giving Miho a massage, gradually escalating into relentless touching and verbal seduction. Losing all rationality, Miho transformed into a lustful woman, writhing in pleasure as if possessed by another man's cock, surrendering herself completely. Witnessing the entire scene, her husband awoke and instinctively reached for Miho, reclaiming her body in a primal act of possession. Whispering, "You... I'm sorry," he gave in to raw desire. Betrayal and lust intertwined in this intense night, awakening deep, hidden cravings buried within their marriage. The events of that night would become a turning point, reshaping their relationship forever.