Because she trusted too much in the people distributing flyers advertising a famous massage location with excellent service quality, Yoshizawa had to pay a high price. After being introduced to the center, she signed up for a steam massage session hoping to relieve her very tense mood. However, she did not know that this center was run by a perverted lecher, who specialized in luring beautiful young girls here and then drugging them in the steam machine, causing them to lose their senses and have to reluctantly satisfy his animalistic desires.