One day, Kasumi and her husband Satoshi were suddenly imprisoned by a mysterious man. Inside the cage with them were Sakawa, who seemed to know something, Machida, who wore a smug smile, and Reiya. After a moment of panic, a voice echoed, "Now everyone will have sex...", and a timer began counting down. Surrounded by men urging them on, Kasumi and Satoshi had sex in front of others. However, struggling with insertion in the unfamiliar environment, Sakawa and Machida attacked...
