Full comeback! The sequel to the behind-the-back bondage director series finally arrives! Shiori Kanzaki, a female track and field athlete belonging to a corporate team, has been training hard under her boyfriend Koji's guidance, aiming for victory in upcoming competitions. But a malicious man sets his sights on her, kidnaps and imprisons her, then forcibly subjects her body to intense sex slave training, determined to make her his own. A thrilling story packed with tension and excitement unfolds relentlessly.