Keito Takahashi experiences Tokyo's underground sex industry in this documentary-style report. First, she goes undercover in an SM club hidden in the city's shadows. Watch the alluring and sexy Keito dominate and mercilessly torment male masochists as a full-fledged dominatrix. Next, she heads to a "happening bar," a notorious symbol of the underground scene. The highlight lies in the unexpected events that unfold and Keito's candid, real-life reactions throughout her journey.