Investigator Minami Aizawa goes undercover to investigate a suspicious brothel that is rumored to be in town! She uses the erotic techniques she has developed as an AV actress to make an Amateur cum! This is Minami Aizawa first documentary! A serious battle with an Amateur who loves brothels and has saved up semen! Unexpected trouble that can only be found in a documentary! A prank! Occurs! Minami is tricked by a regular customer at the brothel with her smooth talk and her tricks! We'll show you the inside story of the brothel that everyone wanted to know about!