Investigator Amami Tsubasa goes undercover at a rumored suspicious sex shop in town! She charges into the real scenes of phone sex, traveling hosts, masturbation clubs, and swapping parties, engaging in a fierce battle with a perverted average Joe who loves the sex industry and has cummed a lot! Trouble and accidents erupt, but it's all part of the documentary's surprises, handled skillfully by Amami Tsubasa with her quick thinking, erotic techniques, and full-throttle pussy! "I didn't know the underbelly of Japan was like this~ (laugh)
