Kaori, a married woman who lost her key while delivering lunch to her husband's company. Her husband's boss picked up the key and made her husband work overtime before breaking into Kaori's home. The boss restrained Kaori as she slept, groping her perversely. Upon waking, he blackmailed her with photos and raped her mercilessly. After that, the boss increased her husband's workload and relentlessly assaulted Kaori while he was at work. The boss's desires spiraled out of control...
