It sounds like you’re referring to a specific adult-oriented Japanese video title, likely from the series, with “Ogu Oshikko Sensei” (possibly a play on “oguri” or a name) and the code LWB-14 .
or other doujinshi-specific archives rather than mainstream retail outlets. Contextual Meaning golden tube ogu oshikko sensei english lwb14
Here is a breakdown of the components of the title: Golden Tube It sounds like you’re referring to