jonathanyc
To my surprise, they sold these things in pretty much every big store I went to in Japan. A record store sold them, albeit in the adult records section. But an otherwise normal department store also sold them behind a curtain.

I bought one in the record store “as a joke,” ha ha. I tried to use the self checkout machine but hit an error; obviously it was in Japanese. The machine made an audible ding. A friendly clerk heard the ding and came over to help. Maybe it was business as usual for her, but I was too mortified to even look at her face to see her expression.

Also in the end I couldn’t really get into it (as it were) and threw it away. The only thing satisfied that day was my curiosity.