START-445 A Slender And Beautiful Office Lady (24) Who Was Targeted At A Members-only Gym. A Pill Mixed With Protein Causes A Stupor. A Disturbing Stain And Tingling Remains On Her Body. Mei Miyajima.

Mei (24), a second-year working adult who moved to Tokyo from a rural area, begins going to a popular personal gym.Aoi (35), a popular trainer in Frankfurt, is actually a pervert who uses stealth and pills to target female customers.Aoi, who also has her eyes on Mei, sets up cameras not only inside the gym but also at her home, gradually gaining control over her.