The Test Subject

Kino Payne has taken part in a medical study on the effect of pain on human sexuality. In order to eliminate the variable of visual stimulation, the researcher gives Kino commands from a distant observation room. It doesn't take long to discover that this little pain slut's delights are as kinky as they cum. Featuring a ball gag, clothespins, clamps, electricity, hitachi, crop, zapper, cock stroking machine, and a fucking machine.