Rui, who had been interested in bondage for a long time, contacted an SM circle through SNS and ended up experiencing bondage at their studio. She brought her reluctant best friend, Mamiko, along, but this circle turned out to be an extremely dangerous criminal group. In front of the bound Rui, Mamiko was also invited to try it. As Mamiko watched Rui, who had been given an aphrodisiac and was acting strangely, get stripped by the men and subjected to pleasure torture… Mamiko sensed something was wrong, but it was already too late...
