If I had to make an educated guess, I would translate "anetorare netorimura no inshuu" to English as "The Fascinating World of Netorimura's Inshuu" or something similar, but without more context, it's difficult to provide a more accurate interpretation.
The "RJ" prefix identifies it as a digital product listed on anetorare netorimura no inshuu rj01256651 new
To find the specific official listing and user reviews, you can search for the code RJ01256651 directly on the DLsite Official Website similar titles in this genre? If I had to make an educated guess,