A room where I can't get out until I reach orgasm 100 times. I can't make my wife cum, so I offer my wife's body to the super-sexual men who are being held captive with me...

One day, Kasumi and her husband Satoshi are suddenly imprisoned by a mysterious man. Inside the cage was Sagawa, who seemed to know something besides the two, Machida with a defiant smile, and Leia. Just as I was upset, a sound rang out, "I'll have sex with you all now..." and the timer began to count down. Kasumi and Satoshi have sex in front of others, rushed by the men around them. However, when Sagawa and Machida attacked him, they were struggling to insert their penetration in a different environment than usual...