"I won't use my body!" Karen, a college student who is an aspiring gravure idol, refuses her manager's proposal to use her body for sex. She is kidnapped by the manager's plan and is held captive in an abandoned building for three days. She is immersed in pleasure every day and her reason crumbles with each passing day. Her sensitive body cannot be hidden, and she is trained to be a fine gravure idol who uses her body for sex...