KAORI, a female employee at Yabuta Auto, was happily engaged to her coworker Kazuhiko. However, she becomes the target of jealousy from Tomomi (Hana Yoshida), Kazuhiko's childhood friend, who orchestrates her abduction. Captured by a group of men, KAORI is imprisoned and subjected to brutal training and relentless sexual abuse. The story unfolds her intense suffering and inner turmoil as she is broken down into a helpless sex slave.