"It seems like they're doing it over there..." Based on such rumors and word of mouth, we infiltrated underground establishments for an investigative report! At first glance, it's an ordinary massage parlor, but with cute maid girls, and in a popular old inn... Various underground customs are being conducted with various women in various locations! The reality is fully recorded!! Indeed, those who believe are saved! It was much more enjoyable than expected! This is the cutting edge of underground customs!