Investigator "Rimi Yuria" dives headfirst into an infamous suspicious sex shop (boob pub, adult shop, SM club, happening bar) in town for an undercover investigation! Trouble abounds! Accidents keep happening! Even the fearless Rimi Yuria trembles at the behind-the-scenes of the sex industry! Opposite her are amateurs, masters of the sex trade, battle-hardened through countless experiences! With the pride and ego of an AV actress at stake, they will take down the amateurs! "Implicit rules? Store regulations? I don't really understand, so I'll just give it my all~~~"