It seems that the customer who visited for the first time was truly a beginner.

A story about a boy who was reincarnated into a different world and, for various reasons, ended up working at a rather unusual brothel. This is from the perspective of the brothel boy in "The Brothel I Visited for the First Time Was Not Normal," which I posted previously. It's technically a reincarnation story, but the reincarnation elements are minimal.